diff --git a/build.zig b/build.zig index dd6ee1a..5a55694 100644 --- a/build.zig +++ b/build.zig @@ -443,6 +443,10 @@ const exercises = [_]Exercise{ .main_file = "090_async7.zig", .output = "beef? BEEF!", }, + .{ + .main_file = "091_async8.zig", + .output = "ABCDEF", + }, }; /// Check the zig version to make sure it can compile the examples properly. diff --git a/exercises/091_async8.zig b/exercises/091_async8.zig new file mode 100644 index 0000000..cd9c975 --- /dev/null +++ b/exercises/091_async8.zig @@ -0,0 +1,35 @@ +// +// 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", .{}); +} diff --git a/patches/patches/091_async8.patch b/patches/patches/091_async8.patch new file mode 100644 index 0000000..8a93b31 --- /dev/null +++ b/patches/patches/091_async8.patch @@ -0,0 +1,16 @@ +20c20 +< print("X", .{}); +--- +> print("D", .{}); +28c28 +< print("X", .{}); +--- +> print("B", .{}); +31c31 +< print("X", .{}); +--- +> print("C", .{}); +34c34 +< print("X", .{}); +--- +> print("E", .{});