processOptions

1 import std.exception :
2     assertThrown,
3     enforce;
4 
5 struct Tester
6 {
7     @Validate!(value => enforce(value == 1))
8     int a = 1;
9 
10     @Validate!((value, options) => enforce(value == 2 * options.a))
11     int b = 2;
12 
13     string[] calls;
14 
15     @PostValidate(Priority.low)
16     void priorityLow() {
17         calls ~= "priorityLow";
18     }
19 
20     @PostValidate(Priority.medium)
21     void priorityMedium() {
22         calls ~= "priorityMedium";
23     }
24 
25     @PostValidate(Priority.high)
26     void priorityHigh() {
27         calls ~= "priorityHigh";
28     }
29 }
30 
31 Tester options;
32 
33 options = processOptions(options);
34 
35 assert(options.calls == [
36     "priorityHigh",
37     "priorityMedium",
38     "priorityLow",
39 ]);
40 
41 options.a = 2;
42 
43 assertThrown!Exception(processOptions(options));