...3 from Nick Treleaven <nick@geany.org> ---
OK, making the prototype a template again shows...

...weird as the function prototype type is OK:

    ref const(AliasSeq!(int)[0]) g() const...

...of @system variables in CTFE may be ok (could be implementation
defined, e.g. JIT...

...t make sense if something is null.
Ok, an array has both a pointer and...

...quirks and bugs. I think it's OK now, but certainly coding a pretty weird...

...project to install prerequisites which all pass OK during ./configure check.

Actual Results:

obsd$ gmake...

...import std.math: fabs;

/* OK */
// import std.algorithm: maxIndex, minIndex, map;

/* OK */
// import std.algorithm...

...writeln(u.maxIndex); // => 3, OK
   writeln(u.map!fabs.minIndex); // => 2, OK
   writeln(u.map...

Ok. Somewhat sad, but at least it works.
Thanks for all the replies.

...writeln(u.maxIndex); // => 3, OK
writeln(u.map!fabs.minIndex); // => 2, OK
writeln(u.map...