# Rust 1.55.0 릴리즈

> Clean Markdown view of GeekNews topic #4993. Use the original source for factual precision when an external source URL is present.

## Metadata

- GeekNews HTML: [https://news.hada.io/topic?id=4993](https://news.hada.io/topic?id=4993)
- GeekNews Markdown: [https://news.hada.io/topic/4993.md](https://news.hada.io/topic/4993.md)
- Type: news
- Author: [xguru](https://news.hada.io/@xguru)
- Published: 2021-09-11T09:55:45+09:00
- Updated: 2021-09-11T09:55:45+09:00
- Original source: [blog.rust-lang.org](https://blog.rust-lang.org/2021/09/09/Rust-1.55.0.html)
- Points: 2
- Comments: 0

## Topic Body

- cargo test/check 에서 중복 에러 표시 제거

- 더 빠르고 정확한 float 파싱

- 열린 범위 패턴 추가

ㅤmatch x as u32 {

ㅤㅤ0 => println!("zero!"),

ㅤㅤ1.. => println!("positive number!"),

ㅤ}

- std:io:ErrorKind variants 업데이트

- API 안정화

## Comments



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