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rustlings/exercises/strings/strings2.rs
2018-11-09 20:31:14 +01:00

45 lines
734 B
Rust
Executable File

// strings2.rs
// Make me compile without changing the function signature! Scroll down for hints :)
fn main() {
let word = String::from("green"); // Try not changing this line :)
if is_a_color_word(word) {
println!("That is a color word I know!");
} else {
println!("That is not a color word I know.");
}
}
fn is_a_color_word(attempt: &str) -> bool {
attempt == "green" || attempt == "blue" || attempt == "red"
}
// Yes, it would be really easy to fix this by just changing the value bound to `word` to be a
// string slice instead of a `String`, wouldn't it?? There is a way to add one character to line
// 6, though, that will coerce the `String` into a string slice.