die

die 是一个简单的 Rust 库，用于使处理命令行程序中的错误和退出变得简单。

# Cargo.toml
[dependencies]
die = "0.2"

示例用法

use die::Die;
// Result:
Ok(1).die("no number"); // unwraps to 1 successfully
Err("failure").die("strange error"); // prints `strange error` to stderr then exits with code 1

// Option: 
Some(1).die("no number"); // unwraps to 1 successfully
None.die("none option"); // prints `none option` to stderr then exits with code 1

// custom error codes:
Err("failure").die_code("strange error", 4); // prints `strange error` to stderr then exits with code 4
None.die_code("none option", 5); // prints `none option` to stderr then exits with code 5

// die! macro:
die!("argument to -e must be numeric"); // prints message to stderr then exits with code 1
die!(2; "argument to -e must be numeric"); // prints message to stderr then exits with code 2
die!("argument to -e must be numeric"; 3); // prints message to stderr then exits with code 3
die!("argument {} must be {}", "-e", 1; 4); // prints `argument -e must be 1` to stderr then exits with code 4
die!("argument {} must be {}", "-e", 1); // prints `argument -e must be 1` to stderr then exits with code 1
die!(2); // prints nothing, only exits with code 3
die!(); // prints nothing, only exits with code 1

许可证

本项目根据您的选择，受以下任一许可证的约束：

• Apache 许可证 2.0 版本，(LICENSE-APACHE 或 https://apache.ac.cn/licenses/LICENSE-2.0)
• MIT 许可证 (LICENSE-MIT 或 http://opensource.org/licenses/MIT)

。

贡献

除非您明确声明，否则任何有意提交给 die 包含在内的贡献，根据 Apache-2.0 许可证的定义，应按上述方式双重授权，不附加任何额外条款或条件。