https://issues.dlang.org/show_bug.cgi?id=6004
--- Comment #3 from bearophile_h...@eml.cc --- (In reply to weaselcat from comment #1) > I was looking for this in std.range and didn't find anything, came across > this issue. > > Since this is about 4 years old, was anything like this ever implemented? There are plenty of old ERs in bugzilla. --