📅  最后修改于: 2022-03-11 14:49:24.699000             🧑  作者: Mango
// Remove first and last letter of string
fn main() {
let text = "Hello, world";
// remove last letter
let mut text = text.split_at(text.len() - 1);
// remove first letter
text = text.0.split_at(1);
println!("{}", text.1);
}