return type of std.algorithm.mutation.reverse changed for good?

biocyberman biocyberman at
Thu May 24 12:06:38 UTC 2018

I am testing with DMD 2.078.2 locally. This tiny snippet works on 
dlang's online editor:

But it does not work on my local dmd.

import std.algorithm.mutation;
import std.stdio;
char[] arr = "hello\U00010143\u0100\U00010143".dup;

Error: template std.stdio.writeln cannot deduce function from 
argument types !()(void)

The document says reverse returns a range:

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