support tagged unions about zig HOT 2 CLOSED

enum Foo {
    One {
        x: i32,
    },
    Two {
        x: u64,
        y: u64,
    },
    Three,
}

enum Bar {
    A = 0,
    B = 2,
    C = 4,
    D = 8,
}

fn f() {
    const foo = Foo::One { .x = 1234, };
    const bar = Bar::A;

    if (#enum_count(Foo) != 3) {
        unreachable;
    }

    if (#enum_count(Bar) != 4) {
        unreachable;
    }

    if (#sizeof(Foo) != 17) {
        unreachable;
    }
    if (#sizeof(Bar) != 1) {
        unreachable;
    }
}

struct Point {
    x: u64,
    y: u64,
}

enum Foo {
    One: i32,
    Two: Point,
    Three: void,
}

enum Bar {
    A,
    B,
    C,
    D,
}

fn f(foo: Foo) -> void {
    switch (foo) {
        one(x) {

        },
        two(point) {

        },
        three {

        },
    }
}


fn f() {
    const foo1 = Foo.One(13);
    const foo2 = Foo.Two(Point { .x = 1234, .y = 5678, });
    const bar = Bar.A;

    if (#enum_count(Foo) != 3) {
        unreachable;
    }

    if (#enum_count(Bar) != 4) {
        unreachable;
    }

    if (#sizeof(Foo) != 17) {
        unreachable;
    }
    if (#sizeof(Bar) != 1) {
        unreachable;
    }
}