1itoa 2==== 3 4[<img alt="github" src="https://img.shields.io/badge/github-dtolnay/itoa-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="20">](https://github.com/dtolnay/itoa) 5[<img alt="crates.io" src="https://img.shields.io/crates/v/itoa.svg?style=for-the-badge&color=fc8d62&logo=rust" height="20">](https://crates.io/crates/itoa) 6[<img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-itoa-66c2a5?style=for-the-badge&labelColor=555555&logo=docs.rs" height="20">](https://docs.rs/itoa) 7[<img alt="build status" src="https://img.shields.io/github/actions/workflow/status/dtolnay/itoa/ci.yml?branch=master&style=for-the-badge" height="20">](https://github.com/dtolnay/itoa/actions?query=branch%3Amaster) 8 9This crate provides a fast conversion of integer primitives to decimal strings. 10The implementation comes straight from [libcore] but avoids the performance 11penalty of going through [`core::fmt::Formatter`]. 12 13See also [`ryu`] for printing floating point primitives. 14 15*Version requirement: rustc 1.36+* 16 17[libcore]: https://github.com/rust-lang/rust/blob/b8214dc6c6fc20d0a660fb5700dca9ebf51ebe89/src/libcore/fmt/num.rs#L201-L254 18[`core::fmt::Formatter`]: https://doc.rust-lang.org/std/fmt/struct.Formatter.html 19[`ryu`]: https://github.com/dtolnay/ryu 20 21```toml 22[dependencies] 23itoa = "1.0" 24``` 25 26<br> 27 28## Example 29 30```rust 31fn main() { 32 let mut buffer = itoa::Buffer::new(); 33 let printed = buffer.format(128u64); 34 assert_eq!(printed, "128"); 35} 36``` 37 38<br> 39 40## Performance (lower is better) 41 42 43 44<br> 45 46#### License 47 48<sup> 49Licensed under either of <a href="LICENSE-APACHE">Apache License, Version 502.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option. 51</sup> 52 53<br> 54 55<sub> 56Unless you explicitly state otherwise, any contribution intentionally submitted 57for inclusion in this crate by you, as defined in the Apache-2.0 license, shall 58be dual licensed as above, without any additional terms or conditions. 59</sub> 60