From f7846af7ac388652a6f80a2bbce926ba8f053062 Mon Sep 17 00:00:00 2001 From: olivia Date: Fri, 9 Nov 2018 20:31:14 +0100 Subject: [PATCH] right let's try this one again --- .DS_Store | Bin 0 -> 6148 bytes Cargo.toml | 5 +- README.md | 41 -- .../error_handling/errors1.rs | 0 .../error_handling/errors2.rs | 6 +- .../error_handling/errors3.rs | 25 +- .../error_handling/errorsn.rs | 10 +- .../error_handling/option1.rs | 0 .../error_handling/result1.rs | 0 {old_curriculum => exercises}/ex1.rs | 0 {old_curriculum => exercises}/ex2.rs | 0 {old_curriculum => exercises}/ex3.rs | 0 {old_curriculum => exercises}/ex4.rs | 0 {old_curriculum => exercises}/ex5.rs | 0 .../functions/functions1.rs | 0 .../functions/functions2.rs | 0 .../functions/functions3.rs | 0 .../functions/functions4.rs | 0 .../functions/functions5.rs | 7 +- {old_curriculum => exercises}/if/if1.rs | 0 .../macros/macros1.rs | 0 .../macros/macros2.rs | 0 .../macros/macros3.rs | 0 .../macros/macros4.rs | 0 .../modules/modules1.rs | 0 .../modules/modules2.rs | 0 .../move_semantics/move_semantics1.rs | 2 +- .../move_semantics/move_semantics2.rs | 2 +- .../move_semantics/move_semantics3.rs | 2 +- .../move_semantics/move_semantics4.rs | 2 +- .../primitive_types/primitive_types1.rs | 0 .../primitive_types/primitive_types2.rs | 0 .../primitive_types/primitive_types3.rs | 7 +- .../primitive_types/primitive_types4.rs | 8 +- exercises/primitive_types/primitive_types5.rs | 45 ++ .../primitive_types/primitive_types6.rs | 5 +- .../standard_library_types/arc1.rs | 0 .../standard_library_types/iterator3.rs | 6 +- .../standard_library_types/iterators4.rs | 0 .../strings/strings1.rs | 0 .../strings/strings2.rs | 0 .../strings/strings3.rs | 0 {old_curriculum => exercises}/tests/tests1.rs | 0 {old_curriculum => exercises}/tests/tests2.rs | 0 {old_curriculum => exercises}/tests/tests3.rs | 0 {old_curriculum => exercises}/tests/tests4.rs | 0 .../threads/threads1.rs | 2 +- .../variables/variables1.rs | 0 .../variables/variables2.rs | 0 .../variables/variables3.rs | 0 .../variables/variables4.rs | 0 old_curriculum/.travis.yml | 19 - old_curriculum/Cargo.lock | 456 ------------------ old_curriculum/Cargo.toml | 9 - old_curriculum/README-template.hbs | 190 -------- .../primitive_types/primitive_types5.rs | 45 -- old_curriculum/src/bin/generate_readme.rs | 49 -- src/about_variables.rs | 38 -- src/helpers.rs | 33 -- src/main.rs | 55 ++- 60 files changed, 130 insertions(+), 939 deletions(-) create mode 100644 .DS_Store rename {old_curriculum => exercises}/error_handling/errors1.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/error_handling/errors2.rs (89%) mode change 100644 => 100755 rename {old_curriculum => exercises}/error_handling/errors3.rs (50%) mode change 100644 => 100755 rename {old_curriculum => exercises}/error_handling/errorsn.rs (90%) mode change 100644 => 100755 rename {old_curriculum => exercises}/error_handling/option1.rs (100%) mode change 100644 => 100755 rename 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(98%) mode change 100644 => 100755 rename {old_curriculum => exercises}/primitive_types/primitive_types1.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/primitive_types/primitive_types2.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/primitive_types/primitive_types3.rs (78%) mode change 100644 => 100755 rename {old_curriculum => exercises}/primitive_types/primitive_types4.rs (63%) mode change 100644 => 100755 create mode 100755 exercises/primitive_types/primitive_types5.rs rename {old_curriculum => exercises}/primitive_types/primitive_types6.rs (65%) mode change 100644 => 100755 rename {old_curriculum => exercises}/standard_library_types/arc1.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/standard_library_types/iterator3.rs (92%) mode change 100644 => 100755 rename {old_curriculum => exercises}/standard_library_types/iterators4.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/strings/strings1.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/strings/strings2.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/strings/strings3.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/tests/tests1.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/tests/tests2.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/tests/tests3.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/tests/tests4.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/threads/threads1.rs (95%) mode change 100644 => 100755 rename {old_curriculum => exercises}/variables/variables1.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/variables/variables2.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/variables/variables3.rs (100%) mode change 100644 => 100755 rename {old_curriculum => exercises}/variables/variables4.rs (100%) mode change 100644 => 100755 delete mode 100644 old_curriculum/.travis.yml delete mode 100644 old_curriculum/Cargo.lock delete mode 100644 old_curriculum/Cargo.toml delete mode 100644 old_curriculum/README-template.hbs delete mode 100644 old_curriculum/primitive_types/primitive_types5.rs delete mode 100644 old_curriculum/src/bin/generate_readme.rs delete mode 100644 src/about_variables.rs delete mode 100644 src/helpers.rs diff --git a/.DS_Store b/.DS_Store new file mode 100644 index 0000000000000000000000000000000000000000..956be3cbf7f834af22a7e1c8b948dc730b5e74e7 GIT binary patch literal 6148 zcmeHK&1(}u6o1pib~izZAZWqEf(Jc>l91LSUbbl>6zT`vVh?`A-RzPqZg#@%rcpv5 z2wpvlUe)4%AyhB=4|w!%Q1Gg6J}Sv3g@Paw=E0la%k2BjWPZGz*#Q7j?YU)u0sv^} z46`|GW*B?Ue99JN&uK)$$DptR0Z?ed@--2E*ycUHQL$ zI^DpJlTzs`S;%BhEiP$#F0bd$$W;V{P@?uxJd{*GolXwQ_Yh)HQAS@{OH`y=O08y?*od z-NE5U!6Ue%ayu*W2tHvjLzkdcwwkolJxZIM)uFYTR8RZ-?df6u%ZH8QGTjqqcH1YJ zdEbh{fQBucjje16wqXnFt`4`rg8F0~kn@-^UTr$;VCDwY;3nb<)|#7QJWnw)SYKFY zsjMHVtVKv<<$I7!=JJYvIaZ5Eoimdarsd~sU1~W>0j0p-E5P;#1D&BMaU_s$9oXcK+9ozyD8?)GwugQedtWAlaH#tKyR6**dj2cGeo`kIz;E9O;u`<} literal 0 HcmV?d00001 diff --git a/Cargo.toml b/Cargo.toml index 5f5c8a9f..bf4195dd 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -4,5 +4,6 @@ version = "0.1.0" authors = ["olivia "] [dependencies] -quicli = "0.2.0" -ansi_term = "0.11.0" +clap = "2.32.0" +indicatif = "0.9.0" +console = "0.6.2" diff --git a/README.md b/README.md index 4ddaae5e..8049c22b 100644 --- a/README.md +++ b/README.md @@ -1,44 +1,3 @@ # rustlings A cool thing that is currently in development. - -## How it's structured - -Ideally, like RubyKoans, all exercises can be run by executing one command, in this case -`cargo run` (most likely). This runs `src/main.rs`, which in turn runs all of the exercises. -Each exercise is contained in a Rust file called `about_.rs`. A minimal exercise looks -somewhat like this: - -```rust -fn exercise_function() { - "hello" -} - -mod tests { - use super::*; - - pub fn test() { - verify!("REPLACE ME", exercise_function(), "Function description"); - } -} - -pub fn exec() { - tests::test(); -} -``` - -Each exercise file is supposed to have one `exec` function which gets called by the `main.rs` file. -This function, in turn, calls all individual test functions. - -The tests themselves can generally be structured in whatever way is desired, there doesn't have to be a "tests" module, for example. Two macros are provided -for convenience. The `verify` helper function is essentially a specialized `assert_eq!`, but it doesn't panic -if the values mismatch, instead it prints out a helpful error message and keeps going. The -`verify_easy` function is designed as a drop-in replacement for the `verify` function for if the learner needs help solving the exercise. It prints the expected value, too. - -This is roughly what the console output for a simple exercise looks right now: - -![](https://i.imgur.com/gGgjvLW.png) - -Keep in mind that this is a very early draft of how things work. Anything here might be changed -at any time, and this documentation should be updated accordingly. - diff --git a/old_curriculum/error_handling/errors1.rs b/exercises/error_handling/errors1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/error_handling/errors1.rs rename to exercises/error_handling/errors1.rs diff --git a/old_curriculum/error_handling/errors2.rs b/exercises/error_handling/errors2.rs old mode 100644 new mode 100755 similarity index 89% rename from old_curriculum/error_handling/errors2.rs rename to exercises/error_handling/errors2.rs index 05824c13..15c21c8a --- a/old_curriculum/error_handling/errors2.rs +++ b/exercises/error_handling/errors2.rs @@ -66,7 +66,7 @@ mod tests { // One way to handle this is using a `match` statement on // `item_quantity.parse::()` where the cases are `Ok(something)` and // `Err(something)`. This pattern is very common in Rust, though, so there's -// a `try!` macro that does pretty much what you would make that match statement +// a `?` operator that does pretty much what you would make that match statement // do for you! Take a look at this section of the Error Handling chapter: -// https://doc.rust-lang.org/stable/book/error-handling.html#the-try-macro -// and give it a `try!` +// https://doc.rust-lang.org/stable/book/second-edition/ch09-02-recoverable-errors-with-result.html#a-shortcut-for-propagating-errors-the--operator +// and give it a try! diff --git a/old_curriculum/error_handling/errors3.rs b/exercises/error_handling/errors3.rs old mode 100644 new mode 100755 similarity index 50% rename from old_curriculum/error_handling/errors3.rs rename to exercises/error_handling/errors3.rs index 9b285e0b..9c29af58 --- a/old_curriculum/error_handling/errors3.rs +++ b/exercises/error_handling/errors3.rs @@ -1,7 +1,7 @@ // errors3.rs // This is a program that is trying to use a completed version of the // `total_cost` function from the previous exercise. It's not working though-- -// we can't call the `try!` macro in the `main()` function! Why not? +// we can't use the `?` operator in the `main()` function! Why not? // What should we do instead? Scroll for hints! use std::num::ParseIntError; @@ -10,7 +10,7 @@ fn main() { let mut tokens = 100; let pretend_user_input = "8"; - let cost = try!(total_cost(pretend_user_input)); + let cost = total_cost(pretend_user_input)?; if cost > tokens { println!("You can't afford that many!"); @@ -23,7 +23,7 @@ fn main() { pub fn total_cost(item_quantity: &str) -> Result { let processing_fee = 1; let cost_per_item = 5; - let qty = try!(item_quantity.parse::()); + let qty = item_quantity.parse::()?; Ok(qty * cost_per_item + processing_fee) } @@ -45,23 +45,18 @@ pub fn total_cost(item_quantity: &str) -> Result { -// Since the `try!` macro returns an `Err` early if the thing it's trying to -// do fails, you can only use the `try!` macro in functions that have a +// Since the `?` operator returns an `Err` early if the thing it's trying to +// do fails, you can only use the `?` operator in functions that have a // `Result` as their return type. -// The error that you get if you run this code is: +// Hence the error that you get if you run this code is: // ``` -// error: mismatched types: -// expected `()`, -// found `std::result::Result<_, _>` +// error[E0277]: the `?` operator can only be used in a function that returns `Result` (or another type that implements `std::ops::Try`) // ``` -// which is saying that the expected return type of the `main` function is -// the empty tuple, but we tried to return a `Result`-- and that's happening -// in the implementation of `try!`. The `main` function never has a return type, -// so we have to use another way of handling a `Result` within `main`. +// So we have to use another way of handling a `Result` within `main`. // Decide what we should do if `pretend_user_input` has a string value that does -// not parse to an integer, and implement that instead of calling the `try!` -// macro. +// not parse to an integer, and implement that instead of using the `?` +// operator. diff --git a/old_curriculum/error_handling/errorsn.rs b/exercises/error_handling/errorsn.rs old mode 100644 new mode 100755 similarity index 90% rename from old_curriculum/error_handling/errorsn.rs rename to exercises/error_handling/errorsn.rs index ee1179dc..15c6cd59 --- a/old_curriculum/error_handling/errorsn.rs +++ b/exercises/error_handling/errorsn.rs @@ -115,21 +115,21 @@ impl error::Error for CreationError { // Next hint: There are three places in `read_and_validate` that we call a // function that returns a `Result` (that is, the functions might fail). -// Wrap those calls in a `try!` macro call so that we return immediately from +// Apply the `?` operator on those calls so that we return immediately from // `read_and_validate` if those function calls fail. -// Another hint: under the hood, the `try!` macro calls `From::from` +// Another hint: under the hood, the `?` operator calls `From::from` // on the error value to convert it to a boxed trait object, a Box, // which is polymorphic-- that means that lots of different kinds of errors // can be returned from the same function because all errors act the same // since they all implement the `error::Error` trait. // Check out this section of the book: -// https://doc.rust-lang.org/stable/book/error-handling.html#standard-library-traits-used-for-error-handling +// https://doc.rust-lang.org/stable/book/second-edition/ch09-02-recoverable-errors-with-result.html#a-shortcut-for-propagating-errors-the--operator -// Another another hint: Note that because the `try!` macro returns +// Another another hint: Note that because the `?` operator returns // the *unwrapped* value in the `Ok` case, if we want to return a `Result` from // `read_and_validate` for *its* success case, we'll have to rewrap a value -// that we got from the return value of a `try!` call in an `Ok`-- this will +// that we got from the return value of a `?`ed call in an `Ok`-- this will // look like `Ok(something)`. // Another another another hint: `Result`s must be "used", that is, you'll diff --git a/old_curriculum/error_handling/option1.rs b/exercises/error_handling/option1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/error_handling/option1.rs rename to exercises/error_handling/option1.rs diff --git a/old_curriculum/error_handling/result1.rs b/exercises/error_handling/result1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/error_handling/result1.rs rename to exercises/error_handling/result1.rs diff --git a/old_curriculum/ex1.rs b/exercises/ex1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/ex1.rs rename to exercises/ex1.rs diff --git a/old_curriculum/ex2.rs b/exercises/ex2.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/ex2.rs rename to exercises/ex2.rs diff --git a/old_curriculum/ex3.rs b/exercises/ex3.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/ex3.rs rename to exercises/ex3.rs diff --git a/old_curriculum/ex4.rs b/exercises/ex4.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/ex4.rs rename to exercises/ex4.rs diff --git a/old_curriculum/ex5.rs b/exercises/ex5.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/ex5.rs rename to exercises/ex5.rs diff --git a/old_curriculum/functions/functions1.rs b/exercises/functions/functions1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/functions/functions1.rs rename to exercises/functions/functions1.rs diff --git a/old_curriculum/functions/functions2.rs b/exercises/functions/functions2.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/functions/functions2.rs rename to exercises/functions/functions2.rs diff --git a/old_curriculum/functions/functions3.rs b/exercises/functions/functions3.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/functions/functions3.rs rename to exercises/functions/functions3.rs diff --git a/old_curriculum/functions/functions4.rs b/exercises/functions/functions4.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/functions/functions4.rs rename to exercises/functions/functions4.rs diff --git a/old_curriculum/functions/functions5.rs b/exercises/functions/functions5.rs old mode 100644 new mode 100755 similarity index 51% rename from old_curriculum/functions/functions5.rs rename to exercises/functions/functions5.rs index f8fac5d2..d3ff0024 --- a/old_curriculum/functions/functions5.rs +++ b/exercises/functions/functions5.rs @@ -40,5 +40,8 @@ fn square(num: i32) -> i32 { // This is a really common error that can be fixed by removing one character. // It happens because Rust distinguishes between expressions and statements: expressions return -// a value and statements don't. We want to return a value from the `square` function, but it -// isn't returning one right now... +// a value based on its operand, and statements simply return a () type which behaves just like `void` in C/C++ language. +// We want to return a value of `i32` type from the `square` function, but it is returning a `()` type... +// They are not the same. There are two solutions: +// 1. Add a `return` ahead of `num * num;` +// 2. remove `;`, make it to be `num * num` diff --git a/old_curriculum/if/if1.rs b/exercises/if/if1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/if/if1.rs rename to exercises/if/if1.rs diff --git a/old_curriculum/macros/macros1.rs b/exercises/macros/macros1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/macros/macros1.rs rename to exercises/macros/macros1.rs diff --git a/old_curriculum/macros/macros2.rs b/exercises/macros/macros2.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/macros/macros2.rs rename to exercises/macros/macros2.rs diff --git a/old_curriculum/macros/macros3.rs b/exercises/macros/macros3.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/macros/macros3.rs rename to exercises/macros/macros3.rs diff --git a/old_curriculum/macros/macros4.rs b/exercises/macros/macros4.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/macros/macros4.rs rename to exercises/macros/macros4.rs diff --git a/old_curriculum/modules/modules1.rs b/exercises/modules/modules1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/modules/modules1.rs rename to exercises/modules/modules1.rs diff --git a/old_curriculum/modules/modules2.rs b/exercises/modules/modules2.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/modules/modules2.rs rename to exercises/modules/modules2.rs diff --git a/old_curriculum/move_semantics/move_semantics1.rs b/exercises/move_semantics/move_semantics1.rs old mode 100644 new mode 100755 similarity index 97% rename from old_curriculum/move_semantics/move_semantics1.rs rename to exercises/move_semantics/move_semantics1.rs index 73dc0ab1..37038ecd --- a/old_curriculum/move_semantics/move_semantics1.rs +++ b/exercises/move_semantics/move_semantics1.rs @@ -1,7 +1,7 @@ // move_semantics1.rs // Make me compile! Scroll down for hints :) -pub fn main() { +fn main() { let vec0 = Vec::new(); let vec1 = fill_vec(vec0); diff --git a/old_curriculum/move_semantics/move_semantics2.rs b/exercises/move_semantics/move_semantics2.rs old mode 100644 new mode 100755 similarity index 98% rename from old_curriculum/move_semantics/move_semantics2.rs rename to exercises/move_semantics/move_semantics2.rs index bc42d8ec..b50e3497 --- a/old_curriculum/move_semantics/move_semantics2.rs +++ b/exercises/move_semantics/move_semantics2.rs @@ -1,7 +1,7 @@ // move_semantics2.rs // Make me compile without changing line 10! Scroll down for hints :) -pub fn main() { +fn main() { let vec0 = Vec::new(); let mut vec1 = fill_vec(vec0); diff --git a/old_curriculum/move_semantics/move_semantics3.rs b/exercises/move_semantics/move_semantics3.rs old mode 100644 new mode 100755 similarity index 98% rename from old_curriculum/move_semantics/move_semantics3.rs rename to exercises/move_semantics/move_semantics3.rs index 7805d442..8e7b0ad9 --- a/old_curriculum/move_semantics/move_semantics3.rs +++ b/exercises/move_semantics/move_semantics3.rs @@ -3,7 +3,7 @@ // (no lines with multiple semicolons necessary!) // Scroll down for hints :) -pub fn main() { +fn main() { let vec0 = Vec::new(); let mut vec1 = fill_vec(vec0); diff --git a/old_curriculum/move_semantics/move_semantics4.rs b/exercises/move_semantics/move_semantics4.rs old mode 100644 new mode 100755 similarity index 98% rename from old_curriculum/move_semantics/move_semantics4.rs rename to exercises/move_semantics/move_semantics4.rs index 2b1ed8aa..903a330f --- a/old_curriculum/move_semantics/move_semantics4.rs +++ b/exercises/move_semantics/move_semantics4.rs @@ -3,7 +3,7 @@ // in `fn main`, we instead create it within `fn fill_vec` and transfer the // freshly created vector from fill_vec to its caller. Scroll for hints! -pub fn main() { +fn main() { let vec0 = Vec::new(); let mut vec1 = fill_vec(vec0); diff --git a/old_curriculum/primitive_types/primitive_types1.rs b/exercises/primitive_types/primitive_types1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/primitive_types/primitive_types1.rs rename to exercises/primitive_types/primitive_types1.rs diff --git a/old_curriculum/primitive_types/primitive_types2.rs b/exercises/primitive_types/primitive_types2.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/primitive_types/primitive_types2.rs rename to exercises/primitive_types/primitive_types2.rs diff --git a/old_curriculum/primitive_types/primitive_types3.rs b/exercises/primitive_types/primitive_types3.rs old mode 100644 new mode 100755 similarity index 78% rename from old_curriculum/primitive_types/primitive_types3.rs rename to exercises/primitive_types/primitive_types3.rs index a2f9b3b3..7ce22262 --- a/old_curriculum/primitive_types/primitive_types3.rs +++ b/exercises/primitive_types/primitive_types3.rs @@ -39,8 +39,9 @@ fn main() { // There's a shorthand to initialize Arrays with a certain size that does not -// require you to type in 100 items (but you certainly can if you want!) -// Check out the Primitive Types -> Arrays section of the book: -// https://doc.rust-lang.org/stable/book/second-edition/ch03-02-data-types.html#arrays +// require you to type in 100 items (but you certainly can if you want!). +// For example, you can do: +// let array = ["Are we there yet?"; 10]; + // Bonus: what are some other things you could have that would return true // for `a.len() >= 100`? diff --git a/old_curriculum/primitive_types/primitive_types4.rs b/exercises/primitive_types/primitive_types4.rs old mode 100644 new mode 100755 similarity index 63% rename from old_curriculum/primitive_types/primitive_types4.rs rename to exercises/primitive_types/primitive_types4.rs index c20b63bb..7dc9e478 --- a/old_curriculum/primitive_types/primitive_types4.rs +++ b/exercises/primitive_types/primitive_types4.rs @@ -38,12 +38,12 @@ fn main() { -// Take a look at the Primitive Types -> Slices section of the book: -// http://doc.rust-lang.org/stable/book/primitive-types.html#slices +// Take a look at the Understanding Ownership -> Slices -> Other Slices section of the book: +// https://doc.rust-lang.org/stable/book/second-edition/ch04-03-slices.html#other-slices // and use the starting and ending indices of the items in the Array // that you want to end up in the slice. // If you're curious why the right hand of the `==` comparison does not // have an ampersand for a reference since the left hand side is a -// reference, take a look at the Deref coercions chapter: -// http://doc.rust-lang.org/stable/book/deref-coercions.html +// reference, take a look at the Deref coercions section of the book: +// https://doc.rust-lang.org/stable/book/second-edition/ch15-02-deref.html#implicit-deref-coercions-with-functions-and-methods diff --git a/exercises/primitive_types/primitive_types5.rs b/exercises/primitive_types/primitive_types5.rs new file mode 100755 index 00000000..4045e783 --- /dev/null +++ b/exercises/primitive_types/primitive_types5.rs @@ -0,0 +1,45 @@ +// primitive_types5.rs +// Destructure the `cat` tuple so that the println will work. +// Scroll down for hints! + +fn main() { + let cat = ("Furry McFurson", 3.5); + let /* your pattern here */ = cat; + + println!("{} is {} years old.", name, age); +} + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +// Take a look at the Data Types -> The Tuple Type section of the book: +// https://doc.rust-lang.org/stable/book/second-edition/ch03-02-data-types.html#the-tuple-type +// Particularly the part about destructuring (second to last example in the section). +// You'll need to make a pattern to bind `name` and `age` to the appropriate parts +// of the tuple. You can do it!! diff --git a/old_curriculum/primitive_types/primitive_types6.rs b/exercises/primitive_types/primitive_types6.rs old mode 100644 new mode 100755 similarity index 65% rename from old_curriculum/primitive_types/primitive_types6.rs rename to exercises/primitive_types/primitive_types6.rs index d0166428..439a56bc --- a/old_curriculum/primitive_types/primitive_types6.rs +++ b/exercises/primitive_types/primitive_types6.rs @@ -39,6 +39,7 @@ fn main() { // While you could use a destructuring `let` for the tuple here, try -// indexing into it instead, as explained here: -// http://doc.rust-lang.org/stable/book/primitive-types.html#tuple-indexing +// indexing into it instead, as explained in the last example of the +// Data Types -> The Tuple Type section of the book: +// https://doc.rust-lang.org/stable/book/second-edition/ch03-02-data-types.html#the-tuple-type // Now you have another tool in your toolbox! diff --git a/old_curriculum/standard_library_types/arc1.rs b/exercises/standard_library_types/arc1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/standard_library_types/arc1.rs rename to exercises/standard_library_types/arc1.rs diff --git a/old_curriculum/standard_library_types/iterator3.rs b/exercises/standard_library_types/iterator3.rs old mode 100644 new mode 100755 similarity index 92% rename from old_curriculum/standard_library_types/iterator3.rs rename to exercises/standard_library_types/iterator3.rs index e973ac64..1d2e1351 --- a/old_curriculum/standard_library_types/iterator3.rs +++ b/exercises/standard_library_types/iterator3.rs @@ -114,7 +114,8 @@ mod tests { -// Minor hint: In each of the two cases in the match in main, you can create x with either a 'turbofish' or by hinting the type of x to the compiler. You may try both. +// Minor hint: In each of the two cases in the match in main, you can create x with either +// a 'turbofish' or by hinting the type of x to the compiler. You may try both. @@ -142,4 +143,5 @@ mod tests { -// Major hint: Have a look at the Iter trait and at the explanation of its collect function. Especially the part about Result is interesting. +// Major hint: Have a look at the Iter trait and at the explanation of its collect function. +// Especially the part about Result is interesting. diff --git a/old_curriculum/standard_library_types/iterators4.rs b/exercises/standard_library_types/iterators4.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/standard_library_types/iterators4.rs rename to exercises/standard_library_types/iterators4.rs diff --git a/old_curriculum/strings/strings1.rs b/exercises/strings/strings1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/strings/strings1.rs rename to exercises/strings/strings1.rs diff --git a/old_curriculum/strings/strings2.rs b/exercises/strings/strings2.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/strings/strings2.rs rename to exercises/strings/strings2.rs diff --git a/old_curriculum/strings/strings3.rs b/exercises/strings/strings3.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/strings/strings3.rs rename to exercises/strings/strings3.rs diff --git a/old_curriculum/tests/tests1.rs b/exercises/tests/tests1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/tests/tests1.rs rename to exercises/tests/tests1.rs diff --git a/old_curriculum/tests/tests2.rs b/exercises/tests/tests2.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/tests/tests2.rs rename to exercises/tests/tests2.rs diff --git a/old_curriculum/tests/tests3.rs b/exercises/tests/tests3.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/tests/tests3.rs rename to exercises/tests/tests3.rs diff --git a/old_curriculum/tests/tests4.rs b/exercises/tests/tests4.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/tests/tests4.rs rename to exercises/tests/tests4.rs diff --git a/old_curriculum/threads/threads1.rs b/exercises/threads/threads1.rs old mode 100644 new mode 100755 similarity index 95% rename from old_curriculum/threads/threads1.rs rename to exercises/threads/threads1.rs index b4a5dc98..4f9aa898 --- a/old_curriculum/threads/threads1.rs +++ b/exercises/threads/threads1.rs @@ -45,7 +45,7 @@ fn main() { // to **immutable** data. But we want to *change* the number of `jobs_completed` // so we'll need to also use another type that will only allow one thread to // mutate the data at a time. Take a look at this section of the book: -// https://doc.rust-lang.org/stable/book/concurrency.html#safe-shared-mutable-state +// https://doc.rust-lang.org/stable/book/second-edition/ch16-03-shared-state.html#atomic-reference-counting-with-arct // and keep scrolling if you'd like more hints :) diff --git a/old_curriculum/variables/variables1.rs b/exercises/variables/variables1.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/variables/variables1.rs rename to exercises/variables/variables1.rs diff --git a/old_curriculum/variables/variables2.rs b/exercises/variables/variables2.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/variables/variables2.rs rename to exercises/variables/variables2.rs diff --git a/old_curriculum/variables/variables3.rs b/exercises/variables/variables3.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/variables/variables3.rs rename to exercises/variables/variables3.rs diff --git a/old_curriculum/variables/variables4.rs b/exercises/variables/variables4.rs old mode 100644 new mode 100755 similarity index 100% rename from old_curriculum/variables/variables4.rs rename to exercises/variables/variables4.rs diff --git a/old_curriculum/.travis.yml b/old_curriculum/.travis.yml deleted file mode 100644 index 684b2659..00000000 --- a/old_curriculum/.travis.yml +++ /dev/null @@ -1,19 +0,0 @@ -language: rust - -branches: - only: - - master - -cache: - cargo: true - -script: - - cargo run --bin generate_readme - - git config user.name "Carol (Nichols || Goulding)" - - git config user.email "carol.nichols@gmail.com" - - git commit -am "Regenerate README" && git remote add upstream "https://$GH_TOKEN@github.com/carols10cents/rustlings.git" && git push -q upstream HEAD:master > /dev/null 2>&1 || true - -notifications: - email: - on_success: never - diff --git a/old_curriculum/Cargo.lock b/old_curriculum/Cargo.lock deleted file mode 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-authors = ["Carol (Nichols || Goulding) "] - -[dependencies] -handlebars = "0.32.0" -serde_json = "1.0.10" -prlink = { git = "https://github.com/btbytes/prlink" } diff --git a/old_curriculum/README-template.hbs b/old_curriculum/README-template.hbs deleted file mode 100644 index 5cfec7f3..00000000 --- a/old_curriculum/README-template.hbs +++ /dev/null @@ -1,190 +0,0 @@ - - -# rustlings - -Small exercises to get you used to reading and writing Rust code. Includes practice reading and -responding to compiler messages! - -This repo is very much the smallest thing that could possibly work :) - -## To do these exercises - -Thanks to [btbytes'](https://twitter.com/btbytes) [prlinks](https://github.com/btbytes/prlink), you -can now click on the links below to load the exercises in the rust playground! - -There are infinite correct answers-- the exercises are sometimes left very open-ended. Scroll down -in the playground to find comments that have hints. - -If you need more help or would like to compare solutions, you can ask in [#rust-beginners on -irc.mozilla.org](https://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust-beginners ), the -[user forum](https://users.rust-lang.org/), or [the subreddit](https://reddit.com/r/rust). If an -exercise could be improved in any way, please [create an -issue](https://github.com/carols10cents/rustlings/issues/new) or submit a pull request! - -### Variable bindings - -[Relevant chapter in The Rust Programming -Language](https://doc.rust-lang.org/book/second-edition/ch03-01-variables-and-mutability.html) - -{{ playground_link "variables/variables1.rs" }} -{{ playground_link "variables/variables2.rs" }} -{{ playground_link "variables/variables3.rs" }} -{{ playground_link "variables/variables4.rs" }} - -### Functions - -[Relevant chapter in The Rust Programming -Language](https://doc.rust-lang.org/book/second-edition/ch03-03-how-functions-work.html) - -{{ playground_link "functions/functions1.rs" }} -{{ playground_link "functions/functions2.rs" }} -{{ playground_link "functions/functions3.rs" }} -{{ playground_link "functions/functions4.rs" }} -{{ playground_link "functions/functions5.rs" }} - -### Primitive types - -[Relevant chapter in The Rust Programming -Language](https://doc.rust-lang.org/book/second-edition/ch03-02-data-types.html) - -{{ playground_link "primitive_types/primitive_types1.rs" }} -{{ playground_link "primitive_types/primitive_types2.rs" }} -{{ playground_link "primitive_types/primitive_types3.rs" }} -{{ playground_link "primitive_types/primitive_types4.rs" }} -{{ playground_link "primitive_types/primitive_types5.rs" }} -{{ playground_link "primitive_types/primitive_types6.rs" }} - -### Tests - -Going out of order from the book to cover tests-- many of the following exercises will ask you to -make tests pass! - -[Relevant chapter in The Rust Programming -Language](https://doc.rust-lang.org/book/second-edition/ch11-01-writing-tests.html) - -{{ playground_link "tests/tests1.rs" }} -{{ playground_link "tests/tests2.rs" }} -{{ playground_link "tests/tests3.rs" }} -{{ playground_link "tests/tests4.rs" }} - -### If - -[Relevant chapter in The Rust Programming -Language](https://doc.rust-lang.org/book/second-edition/ch03-05-control-flow.html) - -{{ playground_link "if/if1.rs" }} - -### Strings - -[Relevant chapter in The Rust Programming -Language](https://doc.rust-lang.org/book/second-edition/ch08-02-strings.html) - -{{ playground_link "strings/strings1.rs" }} -{{ playground_link "strings/strings2.rs" }} -{{ playground_link "strings/strings3.rs" }} - -### Move semantics - -These exercises are adapted from [pnkfelix]()'s [Rust -Tutorial](https://pnkfelix.github.io/rust-examples-icfp2014/) -- thank you Felix!!! - -Relevant chapters in the book: - -- [Ownership](https://doc.rust-lang.org/book/second-edition/ch04-01-what-is-ownership.html) -- [References and borrowing](https://doc.rust-lang.org/book/second-edition/ch04-02-references-and-borrowing.html) - -Note that the exercises in this section may look similar to each other but they are subtly -different :) - -{{ playground_link "move_semantics/move_semantics1.rs" }} -{{ playground_link "move_semantics/move_semantics2.rs" }} -{{ playground_link "move_semantics/move_semantics3.rs" }} -{{ playground_link "move_semantics/move_semantics4.rs" }} - -### Modules - -[Relevant chapter in The Rust Programming -Language](https://doc.rust-lang.org/book/second-edition/ch07-01-mod-and-the-filesystem.html) - -{{ playground_link "modules/modules1.rs" }} -{{ playground_link "modules/modules2.rs" }} - -### Macros - -Check out: - -- [The Macros section of the first edition of the book - book](https://doc.rust-lang.org/book/first-edition/macros.html) -- [The Macros appendix of the second edition of the - book](https://doc.rust-lang.org/book/second-edition/appendix-04-macros.html) -- [The Little Book of Rust Macros](https://danielkeep.github.io/tlborm/book/index.html) - -{{ playground_link "macros/macros1.rs" }} -{{ playground_link "macros/macros2.rs" }} -{{ playground_link "macros/macros3.rs" }} -{{ playground_link "macros/macros4.rs" }} - -### Error Handling - -The [Error -Handling](https://doc.rust-lang.org/book/second-edition/ch09-02-recoverable-errors-with-result.html) -and [Generics](https://doc.rust-lang.org/book/second-edition/ch10-01-syntax.html) sections are -relevant. - -{{ playground_link "error_handling/option1.rs" }} -{{ playground_link "error_handling/result1.rs" }} -{{ playground_link "error_handling/errors1.rs" }} -{{ playground_link "error_handling/errors2.rs" }} -{{ playground_link "error_handling/errors3.rs" }} -{{ playground_link "error_handling/errorsn.rs" }} - -### Standard library types - -#### `Arc` - -The [Concurrency](https://doc.rust-lang.org/book/second-edition/ch16-03-shared-state.html) section -is relevant. - -{{ playground_link "standard_library_types/arc1.rs" }} - -#### Iterators - -Do not adjust your monitors-- iterators 1 and 2 are indeed missing. Iterator 3 is a bit challenging -so we're leaving space for some exercises to lead up to it! - -Check out the [Iterators chapter of the -book](https://doc.rust-lang.org/book/second-edition/ch13-02-iterators.html) and the [Iterator -docs](https://doc.rust-lang.org/stable/std/iter/trait.Iterator.html). - -{{ playground_link "standard_library_types/iterator3.rs" }} -{{ playground_link "standard_library_types/iterators4.rs" }} - -### Threads - -See [the Dining Philosophers -example](https://doc.rust-lang.org/1.4.0/book/first-edition/dining-philosophers.html) and the -[Concurrency Chapter](https://doc.rust-lang.org/book/second-edition/ch16-01-threads.html) from the -book. - -{{ playground_link "threads/threads1.rs" }} - -### Uncategorized - -A few exercises based on things I've encountered or had trouble with getting used to. - -{{ playground_link "ex1.rs" }} -{{ playground_link "ex2.rs" }} -{{ playground_link "ex3.rs" }} -{{ playground_link "ex4.rs" }} -{{ playground_link "ex5.rs" }} - -## To help with this repo/TODO list - -* File issues for problems or suggestions! -* Contribute more exercises! Anything that took you time to get used to, or that you had trouble - with, or that deserves practice would be a good exercise! -* How could the process of doing these exercises work better? This is an open-ended question :) Are - the playground links good enough? Are there ways that we could make going to the next exercise - easier without forking the playground?? diff --git a/old_curriculum/primitive_types/primitive_types5.rs b/old_curriculum/primitive_types/primitive_types5.rs deleted file mode 100644 index 14c2fd26..00000000 --- a/old_curriculum/primitive_types/primitive_types5.rs +++ /dev/null @@ -1,45 +0,0 @@ -// primitive_types5.rs -// Destructure the `cat` tuple so that the println will work. -// Scroll down for hints! - -fn main() { - let cat = ("Furry McFurson", 3.5); - let /* your pattern here */ = cat; - - println!("{} is {} years old.", name, age); -} - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// Take a look at the Primitive Types -> Tuples section of the book: -// http://doc.rust-lang.org/stable/book/primitive-types.html#tuples -// Particularly the part about "destructuring lets". You'll need to -// make a pattern to bind `name` and `age` to the appropriate parts -// of the tuple. You can do it!! diff --git a/old_curriculum/src/bin/generate_readme.rs b/old_curriculum/src/bin/generate_readme.rs deleted file mode 100644 index a502feae..00000000 --- a/old_curriculum/src/bin/generate_readme.rs +++ /dev/null @@ -1,49 +0,0 @@ -// This script reads README-template.md and generates the playground links -// from the Rust source files in the various directories. - -// To add a new exercise, add it to the appropriate place in README-template.md -// and then make sure to recompile this script (because the template gets -// included at compile time and then run it to generate a new version of -// README.md. - -extern crate handlebars; -extern crate prlink; -#[macro_use] -extern crate serde_json; - -use handlebars::{Handlebars, Helper, RenderContext, RenderError}; - -use std::fs::File; -use std::io::prelude::*; -use std::path::PathBuf; - -fn main() { - let mut template_file = File::open("README-template.hbs").unwrap(); - let mut template = String::new(); - template_file.read_to_string(&mut template).unwrap(); - - let autogenerated_notice = "This file was autogenerated by the script in src/bin/generate_readme.rs. -Please edit either the script or the template in README-template.md in -order to make changes here rather than committing the changes directly."; - - let mut generated_readme = File::create("README.md").unwrap(); - - let mut hbs = Handlebars::new(); - hbs.register_helper("playground_link", Box::new(playground_link_helper)); - - write!( - generated_readme, - "{}", - hbs.render_template( - &template, - &json!({ "autogenerated_notice": autogenerated_notice }), - ).unwrap() - ).unwrap(); -} - -fn playground_link_helper(h: &Helper, _: &Handlebars, rc: &mut RenderContext) -> Result<(), RenderError> { - let filename = PathBuf::from(h.param(0).unwrap().value().as_str().unwrap()); - let link = prlink::linkify_file(&filename); - rc.writer.write(link.into_bytes().as_ref())?; - Ok(()) -} diff --git a/src/about_variables.rs b/src/about_variables.rs deleted file mode 100644 index 1587dc00..00000000 --- a/src/about_variables.rs +++ /dev/null @@ -1,38 +0,0 @@ -use helpers::*; - -// Variables in Rust are defined using the "let" keyword. Like this: - -fn exercise_one() { - let x = 5; - verify(5, x); - // ^ ^ - // | | - // What's The variable - // in it name -} - -// Try to replace the "0" with the value of the variable, then run -// "cargo run" and see if it was correct! - -// Here's a more complicated example: - -fn guess_me() -> &'static str { - let x = 10; - if x == 10 { - return "Ten!"; - } else { - return "Not ten!"; - } -} - -fn exercise_two() { - let result = guess_me(); - verify("REPLACE ME", result); -} - -pub fn exec() { - title("Variables: Exercise 1"); - exercise_one(); - title("Variables: Exercise 2"); - exercise_two(); -} diff --git a/src/helpers.rs b/src/helpers.rs deleted file mode 100644 index e0b560b5..00000000 --- a/src/helpers.rs +++ /dev/null @@ -1,33 +0,0 @@ -use ansi_term::Color::{Green, Red, Yellow}; -use std::fmt::Display; - -pub fn verify(left: T, right: T) { - if left == right { - println!("{} {} == {}", Green.bold().paint("PASS"), left, right); - } else { - println!( - "{} You submitted {}, but that's not correct!", - Red.bold().paint("FAIL"), - left - ); - println!(" Please correct your code to make this test pass!"); - } -} - -pub fn verify_easy(left: T, right: T) { - if left == right { - println!("{} {} == {}", Green.bold().paint("PASS"), left, right); - } else { - println!( - "{} You submitted {}, but that's not correct!", - Red.bold().paint("FAIL"), - left - ); - println!(" Expected: {}", right); - println!(" Please correct your code to make this test pass!"); - } -} - -pub fn title(s: &str) { - println!("{} {}", Yellow.bold().paint("RUN"), s); -} diff --git a/src/main.rs b/src/main.rs index 02f02274..cf2eddd4 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,21 +1,44 @@ #[macro_use] -extern crate quicli; -extern crate ansi_term; +extern crate clap; +extern crate indicatif; +extern crate console; -use ansi_term::Color::Yellow; -use quicli::prelude::*; +use clap::{App, SubCommand}; +use indicatif::{ProgressBar}; +use console::{style, Emoji}; +use std::process::Command; -mod helpers; -mod about_variables; - -#[derive(Debug, StructOpt)] -struct Cli { - exercise: Option, +fn main() { + let matches = App::new("r2") + .version(crate_version!()) + .author("Olivia Hugger") + .about("Test") + .subcommand(SubCommand::with_name("verify").alias("v")) + .get_matches(); + + if let Some(_) = matches.subcommand_matches("verify") { + execute("exercises/ex1.rs"); + execute("exercises/ex2.rs"); + execute("exercises/ex3.rs"); + execute("exercises/ex4.rs"); + execute("exercises/ex5.rs"); + } } -main!(|args: Cli| if let Some(e) = args.exercise { - println!("selected {}", e); -} else { - println!("Welcome to {}!\n", Yellow.paint("Rustlings")); - about_variables::exec(); -}); +fn execute(filename: &str) { + let bar = ProgressBar::new_spinner(); + bar.set_message(format!("Compiling {}...", filename).as_str()); + bar.enable_steady_tick(100); + let compilecmd = Command::new("rustc") + .args(&[filename, "-o", "temp"]) + .output() + .expect("fail"); + bar.finish_and_clear(); + if compilecmd.status.success() { + println!("{} Successfully compiled {}!", Emoji("✅", "✓"), style(filename).italic()); + } else { + println!("{} Compilation of {} failed! Compiler error message:\n", Emoji("⚠️ ", "!"), style(filename).italic()); + println!("{}", String::from_utf8_lossy(&compilecmd.stderr)); + std::process::exit(1); + } +}