HaxeFoundation/haxe — pull request #3408 by SmerkyG (2014-09-26 18:12:30+00:00)
Title: Lambda strictness

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.