Gitly


1 struct Abc {
2 mut:
3     x int = 123
4 }
5 
6 fn (mut s Abc) close() ? {
7     println('> CLOSE 1 s.x: ${s.x}')
8     s.x = -1
9     println('> CLOSE 2 s.x: ${s.x}')
10 }
11 
12 fn opt2() ?int {
13     mut s := Abc{}
14     dump(s.x)
15     defer {
16         s.close()?
17     }
18     return s.x
19 }
20 
21 fn main() {
22     println(opt2()?)
23 }
24

1	struct Abc {
2	mut:
3	x int = 123
4	}
5
6	fn (mut s Abc) close() ? {
7	println('> CLOSE 1 s.x: ${s.x}')
8	s.x = -1
9	println('> CLOSE 2 s.x: ${s.x}')
10	}
11
12	fn opt2() ?int {
13	mut s := Abc{}
14	dump(s.x)
15	defer {
16	s.close()?
17	}
18	return s.x
19	}
20
21	fn main() {
22	println(opt2()?)
23	}
24