Meg's Mirrors

zig

1	#exe {
2	-Mroot=main.zig
3	#}
4
5	#write main.zig {
6	const std = @import("std");
7	var some_enum: enum { first, second } = .first;
8	const io = std.Io.Threaded.global_single_threaded.io();
9	pub fn main() !void {
10	try std.Io.File.stdout().writeStreamingAll(io, @tagName(some_enum));
11	}
12	#}
13	#update
14	#check stdout "first"
15
16	#write main.zig {
17	const std = @import("std");
18	var some_enum: enum { first, second } = .first;
19	const io = std.Io.Threaded.global_single_threaded.io();
20	pub fn main() !void {
21	try std.Io.File.stdout().writeStreamingAll(io, @tagName(some_enum));
22	}
23	#}
24	#update "no change"
25	#check stdout "first"
26
27	#write main.zig {
28	const std = @import("std");
29	var some_enum: enum { second, first } = .first;
30	const io = std.Io.Threaded.global_single_threaded.io();
31	pub fn main() !void {
32	try std.Io.File.stdout().writeStreamingAll(io, @tagName(some_enum));
33	}
34	#}
35	#update "swap fields"
36	#check stdout "first"