HaxeFoundation/haxe — pull request #3409 by SmerkyG (2014-09-26 18:20:29+00:00)
Title: Lambda strictness2

Lambda indexOf() and has() were stricter than their function taking equivalents like find(), which allow a superclass of T to be passed as the function parameter type and not just the exact class T or a subclass thereof. This relaxes that restriction to be the same.