const std = #import("std");
const assert = std.assert;

const BitStruct = struct(u8) {
    a: bool,
    b: bool,
    c: bool,
    d: u5,
};

const main = fn () s32 {
    var bs = BitStruct{
        .a = false,
        .b = true,
        .c = true,
        .d = 0,
    };
    const bitcast_bs: u8 = #cast(bs);
    assert(bitcast_bs == 6);

    const const_bs = BitStruct{
        .a = true,
        .b = false,
        .c = true,
        .d = 0,
    };
    const bitcast_const_bs: u8 = #cast(const_bs);
    assert(bitcast_const_bs == 5);
    return 0;
}