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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
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-# errno [![CI](https://github.com/lambda-fairy/rust-errno/actions/workflows/main.yml/badge.svg)](https://github.com/lambda-fairy/rust-errno/actions/workflows/main.yml) [![Cargo](https://img.shields.io/crates/v/errno.svg)](https://crates.io/crates/errno)
-
-Cross-platform interface to the [`errno`][errno] variable. Works on Rust 1.56 or newer.
-
-Documentation is available at <https://docs.rs/errno>.
-
-[errno]: https://en.wikipedia.org/wiki/Errno.h
-
-
-## Dependency
-
-Add to your `Cargo.toml`:
-
-```toml
-[dependencies]
-errno = "*"
-```
-
-
-## Comparison with `std::io::Error`
-
-The standard library provides [`Error::last_os_error`][last_os_error] which fetches `errno` in the same way.
-
-This crate provides these extra features:
-
-- No heap allocations
-- Optional `#![no_std]` support
-- A `set_errno` function
-
-[last_os_error]: https://doc.rust-lang.org/std/io/struct.Error.html#method.last_os_error
-
-
-## Examples
-
-```rust
-extern crate errno;
-use errno::{Errno, errno, set_errno};
-
-// Get the current value of errno
-let e = errno();
-
-// Set the current value of errno
-set_errno(e);
-
-// Extract the error code as an i32
-let code = e.0;
-
-// Display a human-friendly error message
-println!("Error {}: {}", code, e);
-```
-
-
-## `#![no_std]`
-
-Enable `#![no_std]` support by disabling the default `std` feature:
-
-```toml
-[dependencies]
-errno = { version = "*", default-features = false }
-```
-
-The `Error` impl will be unavailable.