Gitly


1 module main
2 
3 struct Foo {
4     a int
5 }
6 
7 type SumType = Foo | int | string
8 
9 fn (v SumType) cast[T](val T) string {
10     mut res := ''
11     $for variant_value in v.variants {
12         if v is variant_value {
13             println('v: ${v}')
14             res = 'v: ${v}'
15             println(res)
16         }
17     }
18     return res
19 }
20 
21 fn test_main() {
22     assert SumType(1).cast[int](1) == 'v: 1'
23 }
24

1	module main
2
3	struct Foo {
4	a int
5	}
6
7	type SumType = Foo \| int \| string
8
9	fn (v SumType) cast[T](val T) string {
10	mut res := ''
11	$for variant_value in v.variants {
12	if v is variant_value {
13	println('v: ${v}')
14	res = 'v: ${v}'
15	println(res)
16	}
17	}
18	return res
19	}
20
21	fn test_main() {
22	assert SumType(1).cast[int](1) == 'v: 1'
23	}
24