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@ -16,7 +16,6 @@ mod verify;
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mod watch;
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use crate::consts::WELCOME;
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use crate::embedded::{WriteStrategy, EMBEDDED_FILES};
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use crate::exercise::{Exercise, ExerciseList};
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use crate::run::run;
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use crate::verify::verify;
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@ -56,6 +55,26 @@ enum Subcommands {
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List,
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}
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fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> Result<(usize, &'a Exercise)> {
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if name == "next" {
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for (ind, exercise) in exercises.iter().enumerate() {
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if !exercise.looks_done()? {
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return Ok((ind, exercise));
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}
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}
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println!("🎉 Congratulations! You have done all the exercises!");
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println!("🔚 There are no more exercises to do next!");
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exit(0);
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}
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exercises
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.iter()
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.enumerate()
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.find(|(_, exercise)| exercise.name == name)
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.with_context(|| format!("No exercise found for '{name}'!"))
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}
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fn main() -> Result<()> {
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let args = Args::parse();
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@ -86,30 +105,29 @@ If you are just starting with Rustlings, run the command `rustlings init` to ini
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exit(1);
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}
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let mut state = StateFile::read_or_default(&exercises);
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let mut state_file = StateFile::read_or_default(&exercises);
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match args.command {
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None | Some(Subcommands::Watch) => {
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watch::watch(&state, &exercises)?;
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watch::watch(&state_file, &exercises)?;
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}
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// `Init` is handled above.
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Some(Subcommands::Init) => (),
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Some(Subcommands::List) => {
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list::list(&mut state, &exercises)?;
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list::list(&mut state_file, &exercises)?;
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}
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Some(Subcommands::Run { name }) => {
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let exercise = find_exercise(&name, &exercises)?;
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let (_, exercise) = find_exercise(&name, &exercises)?;
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run(exercise).unwrap_or_else(|_| exit(1));
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}
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Some(Subcommands::Reset { name }) => {
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let exercise = find_exercise(&name, &exercises)?;
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EMBEDDED_FILES
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.write_exercise_to_disk(&exercise.path, WriteStrategy::Overwrite)
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.with_context(|| format!("Failed to reset the exercise {exercise}"))?;
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let (ind, exercise) = find_exercise(&name, &exercises)?;
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exercise.reset()?;
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state_file.reset(ind)?;
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println!("The file {} has been reset!", exercise.path.display());
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}
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Some(Subcommands::Hint { name }) => {
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let exercise = find_exercise(&name, &exercises)?;
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let (_, exercise) = find_exercise(&name, &exercises)?;
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println!("{}", exercise.hint);
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}
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Some(Subcommands::Verify) => match verify(&exercises, 0)? {
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@ -120,22 +138,3 @@ If you are just starting with Rustlings, run the command `rustlings init` to ini
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Ok(())
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}
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fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> Result<&'a Exercise> {
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if name == "next" {
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for exercise in exercises {
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if !exercise.looks_done()? {
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return Ok(exercise);
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}
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}
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println!("🎉 Congratulations! You have done all the exercises!");
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println!("🔚 There are no more exercises to do next!");
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exit(0);
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}
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exercises
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.iter()
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.find(|e| e.name == name)
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.with_context(|| format!("No exercise found for '{name}'!"))
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}
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