fn equals_ignore_case(str1: &str, str2: &str) -> bool {
str1.eq_ignore_ascii_case(str2)
}
fn main() {
let str1 = "rust programming language";
let str2 = "Rust PROGRAMMING LANGUAGE";
let equals = equals_ignore_case(str1, str2);
println!("{}", equals);
}
/*
run:
true
*/