Rust SplitAsciiWhitespace.as_str用法及代碼示例

#![feature(str_split_whitespace_as_str)]

let mut split = "Mary had a little lamb".split_ascii_whitespace();
assert_eq!(split.as_str(), "Mary had a little lamb");

split.next();
assert_eq!(split.as_str(), "had a little lamb");

split.by_ref().for_each(drop);
assert_eq!(split.as_str(), "");