rustlings/exercises/09_strings/strings4.rs

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2024-10-28 20:46:17 +00:00
// Calls of this function should be replaced with calls of `string_slice` or `string`.
fn placeholder() {}
fn string_slice(arg: &str) {
println!("{arg}");
}
fn string(arg: String) {
println!("{arg}");
}
// TODO: Here are a bunch of values - some are `String`, some are `&str`.
// Your task is to replace `placeholder(…)` with either `string_slice(…)`
// or `string(…)` depending on what you think each value is.
fn main() {
string_slice("blue");
string("red".to_string());
string(String::from("hi"));
string("rust is fun!".to_owned());
string("nice weather".into());
string(format!("Interpolation {}", "Station"));
// WARNING: This is byte indexing, not character indexing.
// Character indexing can be done using `s.chars().nth(INDEX)`.
string_slice(&String::from("abc")[0..1]);
string_slice(" hello there ".trim());
string("Happy Monday!".replace("Mon", "Tues"));
string("mY sHiFt KeY iS sTiCkY".to_lowercase());
}