https://issues.dlang.org/show_bug.cgi?id=16263
--- Comment #10 from ag0ae...@gmail.com --- (In reply to Wyatt from comment #8) > I'm afraid I disagree: things not behaving as documented is always a bug. As far as I see, everything works as documented. Please point out where it doesn't. permutations has as a constraint: isRandomAccessRange!Range [1]. In the documentation for isRandomAccessRange we read: "Although char[] and wchar[] (as well as their qualified versions including string and wstring) are arrays, isRandomAccessRange yields false for them because they use variable-length encodings (UTF-8 and UTF-16 respectively). These types are bidirectional ranges only." [2] [1] https://dlang.org/phobos/std_algorithm_iteration.html#.permutations [2] https://dlang.org/phobos/std_range_primitives.html#.isRandomAccessRange --
