const std = @import("std");

var global_frame1: anyframe = undefined;
var global_frame2: anyframe = undefined;

pub fn main() anyerror!void {
    var foo_frame = async foo();
    resume global_frame1;
    resume global_frame2;
    const result = noasync await foo_frame;
    std.debug.warn("{}\n", .{result});
}

fn foo() i32 {
    var frame1 = async bar(3);
    var frame2 = async baz(4);
    return await frame1 + await frame2;
}

fn bar(x: i32) i32 {
    global_frame1 = @frame();
    suspend;
    return x + 1;
}

fn baz(x: i32) i32 {
    global_frame2 = @frame();
    suspend;
    return x + 2;
}