UDAの利用テスト。

udatest.d

import std.stdio;

enum udaprop = "udaprop";

class UDATest {
  @udaprop private int intProperty;
  @udaprop private string stringProperty;
  private float floatProperty;
}

void main() {
  string[] udaprops;
  foreach(p; __traits(derivedMembers, UDATest)) {
    auto attr = __traits(getAttributes, mixin("UDATest." ~ p));
    foreach(a; attr) {
      if(a == "udaprop") {
        udaprops ~= p;
        break;
      }
    }
  }
  udaprops.writeln;
}