To lower, to upper case
- to_lowercase
- to_uppercase
fn main() { let text = String::from("The Green cat"); println!("{}", text); println!("{}", text.to_lowercase()); println!("{}", text.to_uppercase()); }
The Green cat
the green cat
THE GREEN CAT
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fn main() { let text = String::from("The Green cat"); println!("{}", text); println!("{}", text.to_lowercase()); println!("{}", text.to_uppercase()); }
The Green cat
the green cat
THE GREEN CAT