假設我想用{"foo": 14}替換{"foo": 13}。嘗試: extern crate rustc_serialize;
use rustc_serialize::json::Json;
fn main() {
let data = Json::from_str("{\"foo\": 13, \"bar\": \"baz\"}").unwrap();
let mut
我正在嘗試爲我在Rust中編寫的項目編寫文檔。其中一個文檔需要使用regex::Regex。下面是我想要寫的文檔: /// Return a list of the offsets of the tokens in `s`, as a sequence of `(start, end)`
/// tuples, by splitting the string at each successive