Meg's Mirrors

zig

1	#exe {
2	-Mroot=main.zig
3	#}
4
5	#write main.zig {
6	const S = extern struct { x: u8, y: u8 };
7	pub fn main() !void {
8	const val: S = .{ .x = 100, .y = 200 };
9	try foo(&val);
10	}
11	fn foo(val: *const S) !void {
12	var stdout_writer = std.Io.File.stdout().writerStreaming(io, &.{});
13	try stdout_writer.interface.print(
14	"{d} {d}\n",
15	.{ val.x, val.y },
16	);
17	}
18	const std = @import("std");
19	const io = std.Io.Threaded.global_single_threaded.io();
20	#}
21	#update
22	#check stdout {
23	100 200
24	#}
25
26	#write main.zig {
27	const S = extern struct { x: u32, y: u32 };
28	pub fn main() !void {
29	const val: S = .{ .x = 100, .y = 200 };
30	try foo(&val);
31	}
32	fn foo(val: *const S) !void {
33	var stdout_writer = std.Io.File.stdout().writerStreaming(io, &.{});
34	try stdout_writer.interface.print(
35	"{d} {d}\n",
36	.{ val.x, val.y },
37	);
38	}
39	const std = @import("std");
40	const io = std.Io.Threaded.global_single_threaded.io();
41	#}
42	#update "change struct layout"
43	#check stdout {
44	100 200
45	#}
46
47	#write main.zig {
48	const S = extern struct { x: u32, y: u32 };
49	pub fn main() !void {
50	const val: S = .{ .x = 1234, .y = 5678 };
51	try foo(&val);
52	}
53	fn foo(val: *const S) !void {
54	var stdout_writer = std.Io.File.stdout().writerStreaming(io, &.{});
55	try stdout_writer.interface.print(
56	"{d} {d}\n",
57	.{ val.x, val.y },
58	);
59	}
60	const std = @import("std");
61	const io = std.Io.Threaded.global_single_threaded.io();
62	#}
63	#update "change values"
64	#check stdout {
65	1234 5678
66	#}