rust格式控制

官方教程:https://doc.rust-lang.org/std/fmt/

注意,标准库里的格式控制字符串必须是字面量:
https://www.reddit.com/r/rust/comments/48jzw0/formatting_with_a_static_string_literal/
https://stackoverflow.com/questions/46788199/how-to-create-a-constant-string-literal-in-rust
https://stackoverflow.com/questions/32572486/how-can-i-use-a-dynamic-format-string-with-the-format-macro

如果想要动态的格式控制字符串,可以试试strfmt:
https://github.com/vitiral/strfmt

固定宽度左边补零

{% post_link Rust/IO/'rust print固定宽度左边补零' %}

浮点数打印时忽略浮点误差

rust不支持%g:

Pretty print isn't pretty for floats

https://github.com/sampsyo/bril/pull/218

不过可以用crate gpoint实现:https://crates.io/crates/gpoint

posted @ 2024-09-28 14:16  寻找繁星  阅读(3)  评论(0编辑  收藏  举报