ok

1 // void
2 {
3     auto res = ok();
4     static assert(is(typeof(res) == Expected!(void, string)));
5     assert(res);
6 }
7 
8 // int
9 {
10     auto res = ok(42);
11     static assert(is(typeof(res) == Expected!(int, string)));
12     assert(res);
13     assert(res.value == 42);
14 }
15 
16 // string
17 {
18     auto res = ok("42");
19     static assert(is(typeof(res) == Expected!(string, string)));
20     assert(res);
21     assert(res.value == "42");
22 }
23 
24 // other error type
25 {
26     auto res = ok!bool(42);
27     static assert(is(typeof(res) == Expected!(int, bool)));
28     assert(res);
29     assert(res.value == 42);
30 }