Meg's Mirrors

zig

1	#exe {
2	-Mroot=main.zig
3	#}
4
5	#write main.zig {
6	const std = @import("std");
7	pub fn main() !void {
8	try std.Io.File.stdout().writeStreamingAll(io, a);
9	}
10	const a = "Hello, World!\n";
11	const io = std.Io.Threaded.global_single_threaded.io();
12	#}
13	#update
14	#check stdout {
15	Hello, World!
16	#}
17
18	#write main.zig {
19	const std = @import("std");
20	pub fn main() !void {
21	try std.Io.File.stdout().writeStreamingAll(io, a);
22	}
23	const a = @compileError("bad a");
24	const io = std.Io.Threaded.global_single_threaded.io();
25	#}
26	#update "introduce compile error"
27	#check errors {
28	main.zig:5:11: error: bad a
29	#}
30
31	#write main.zig {
32	const std = @import("std");
33	pub fn main() !void {
34	try std.Io.File.stdout().writeStreamingAll(io, b);
35	}
36	const a = @compileError("bad a");
37	const b = "Hi there!\n";
38	const io = std.Io.Threaded.global_single_threaded.io();
39	#}
40	#update "remove error reference"
41	#check stdout {
42	Hi there!
43	#}
44
45	#write main.zig {
46	const std = @import("std");
47	pub fn main() !void {
48	try std.Io.File.stdout().writeStreamingAll(io, a);
49	}
50	const a = "Back to a\n";
51	const b = @compileError("bad b");
52	const io = std.Io.Threaded.global_single_threaded.io();
53	#}
54	#update "introduce and remove reference to error"
55	#check stdout {
56	Back to a
57	#}