Rust 分割字符串
示例
let strings = "bananas,apples,pear".split(",");split返回一个迭代器。
for s in strings {
println!("{}", s)
}并可以Vec与Iterator::collect方法“收集”在一起。
let strings: Vec<&str> = "bananas,apples,pear".split(",").collect(); // ["bananas", "apples", "pear"]