Const-correctness and uniqueness. Again.

[Jakob Ovrum via Digitalmars-d]

On Monday, 9 February 2015 at 11:37:23 UTC, Jakob Ovrum wrote:
> std.array.join is strongly pure (with appropriate template 
> arguments), so its return value is implicitly convertible to 
> immutable.

Err, implicitly convertible to *mutable*. It goes both ways.