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rustlings-exercises-completed/exercises/strings/strings2.rs

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// strings2.rs
// Make me compile without changing the function signature!
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// Execute `rustlings hint strings2` or use the `hint` watch subcommand for a hint.
fn main() {
let word = String::from("green"); // Try not changing this line :)
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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"
}