const std = @import("std");
const expect = std.testing.expect;

const ComplexTypeTag = enum {
    ok,
    not_ok,
};
const ComplexType = union(ComplexTypeTag) {
    ok: u8,
    not_ok: void,
};

test "switch on tagged union" {
    const c = ComplexType{ .ok = 42 };
    try expect(@as(ComplexTypeTag, c) == ComplexTypeTag.ok);

    switch (c) {
        .ok => |value| try expect(value == 42),
        .not_ok => unreachable,
    }
}

test "get tag type" {
    try expect(std.meta.Tag(ComplexType) == ComplexTypeTag);
}

// test