D-Programming-Language/dmd — pull request #581 by 9rnsr (2011-12-26 10:02:11+00:00)
Title: Issue 2442 & 2443 - More foreach fix

Issue 2442 - opApply does not allow inferring parameter types when overloaded on const
Issue 2443 - opApply should allow delegates that are not ref if it makes no sense

@yebblies has already posted a pull request #120 against issue 2442, but it was not updated while half year.