Function unwind_context::enable_colors_if_supported

pub fn enable_colors_if_supported()

Available on crate feature detect-color-support only.

Enables ANSI colors if supported by the terminal for stderr stream for all threads.

It checks for a basic colors support. By default, it enables 16-ANSI-color colorization if the colors have not changed.

This function uses supports-color crate to detect color support. supports-color crate takes the NO_COLOR and FORCE_COLOR environment variables into account as well.

Examples

use unwind_context::unwind_context;

fn func(foo: u32, bar: &str) {
    let _ctx = unwind_context!(fn(foo, bar));
    // ...
}
fn main() {
    unwind_context::enable_colors_if_supported();
    // ...
    func(123, "abc");
    // ...
}

#[test]
fn test() {
    unwind_context::enable_colors_if_supported();
    // ...
    func(234, "bcd");
    // ...
}