Function ToUpper 

pub fn ToUpper(s: impl AsRef<[byte]>) -> Vec<byte> 

ToUpper returns s with all Unicode letters mapped to their upper case.

zh-cn

返回将所有字母都转为对应的大写版本的拷贝。

Example

use gostd_bytes as bytes;

assert_eq!("GOPHER".as_bytes(),bytes::ToUpper("Gopher"));
assert_eq!("GOPHER".as_bytes().to_vec(),bytes::ToUpper("Gopher"));