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https://github.com/rust-lang/rustlings
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30 lines
860 B
Rust
30 lines
860 B
Rust
// strings4.rs
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// Ok, here are a bunch of values-- some are `String`s, some are `&str`s. Your
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// task is to call one of these two functions on each value depending on what
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// you think each value is. That is, add either `string_slice` or `string`
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// before the parentheses on each line. If you're right, it will compile!
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// No hints this time!
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// I AM NOT DONE
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fn string_slice(arg: &str) {
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println!("{}", arg);
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}
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fn string(arg: String) {
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println!("{}", arg);
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}
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fn main() {
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???("blue");
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???("red".to_string());
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???(String::from("hi"));
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???("rust is fun!".to_owned());
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???("nice weather".into());
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???(format!("Interpolation {}", "Station"));
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???(&String::from("abc")[0..1]);
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???(" hello there ".trim());
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???("Happy Monday!".to_string().replace("Mon", "Tues"));
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???("mY sHiFt KeY iS sTiCkY".to_lowercase());
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}
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