ziglings/exercises/091_async8.zig

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2021-11-07 20:51:33 -05:00
//
// You have doubtless noticed that 'suspend' requires a block
// expression like so:
//
// suspend {}
//
// The suspend block executes when a function suspends. To get
// sense for when this happens, please make the following
// program print the string
//
// "ABCDEF"
//
const print = @import("std").debug.print;
pub fn main() void {
print("A", .{});
var frame = async suspendable();
print("X", .{});
resume frame;
print("F", .{});
}
fn suspendable() void {
print("X", .{});
suspend {
print("X", .{});
}
print("X", .{});
}