Meg's Mirrors

zig

1	#exe {
2	-Mroot=main.zig
3	#}
4
5	#write main.zig {
6	const std = @import("std");
7	const message: []const u8 = @import("message.zon");
8	pub fn main() !void {
9	try std.Io.File.stdout().writeStreamingAll(io, message);
10	}
11	const io = std.Io.Threaded.global_single_threaded.io();
12	#}
13	#write message.zon {
14	"Hello, World!\n"
15	#}
16	#update
17	#check stdout {
18	Hello, World!
19	#}
20
21	#write message.zon {
22	"Hello again, World!\n"
23	#}
24	#update "change ZON file contents"
25	#check stdout {
26	Hello again, World!
27	#}
28
29	#delete message.zon
30	#update "delete file"
31	#check errors {
32	message.zon:1:1: error: unable to load "message.zon": FileNotFound
33	main.zig:2:37: note: file imported here
34	#}
35
36	#write main.zig {
37	const std = @import("std");
38	const message: []const u8 = @import("message.zon");
39	pub fn main() !void {
40	try std.Io.File.stdout().writeStreamingAll(io, "a hardcoded string\n");
41	}
42	const io = std.Io.Threaded.global_single_threaded.io();
43	#}
44	#update "remove reference to ZON file"
45	#check errors {
46	message.zon:1:1: error: unable to load "message.zon": FileNotFound
47	main.zig:2:37: note: file imported here
48	#}
49
50	#write message.zon {
51	"We're back, World!\n"
52	#}
53	#update "recreate ZON file"
54	#check stdout {
55	a hardcoded string
56	#}
57
58	#write main.zig {
59	const std = @import("std");
60	const message: []const u8 = @import("message.zon");
61	pub fn main() !void {
62	try std.Io.File.stdout().writeStreamingAll(io, message);
63	}
64	const io = std.Io.Threaded.global_single_threaded.io();
65	#}
66	#update "re-introduce reference to ZON file"
67	#check stdout {
68	We're back, World!
69	#}