range.rs

use range_validate_derive::RangeValidate;

struct Range {
    lo: i32,
    hi: i32,
}

#[derive(RangeValidate)]
struct Config {
    #[range(Range { lo: 1, hi: 65_535 })]
    port: i32,

    #[range(Range { lo: 1, hi: 256 })]
    max_threads: i32,

    #[range(Range {
        lo: 100,
        hi: 30_000,
    })]
    timeout_ms: i32,
}

const _: () = {
    assert!(
        Config {
            port: 1_000,
            max_threads: 50,
            timeout_ms: 20_000,
        }
        .validate()
    );

    assert!(
        !Config {
            port: 0,
            max_threads: 0,
            timeout_ms: 0,
        }
        .validate()
    );
};