phobos dependencies

H. S. Teoh hsteoh at quickfur.ath.cx
Fri Dec 20 10:11:47 PST 2013


On Fri, Dec 20, 2013 at 09:57:46AM -0800, Andrei Alexandrescu wrote:
> On 12/20/13 9:38 AM, H. S. Teoh wrote:
> >Hmm. Why do we need to incorporate the 'import' keyword in the first
> >place?
> 
> To make the intent explicit. But that's an interesting idea. I'd
> probably require a leading '.' just to make it unambiguous that
> lookup must start from top level.
> 
> >What about extending symbol lookup, so that if a fully-qualified
> >symbol x.y.z can't be found in the current symbol tables, and x/y
> >exists in the current import path, then implicitly try to import x.y
> >and lookup z in that module. Then you could just write:
> >
> >	void f(T)(T t) if (std.range.isInputRange!T) ...
> 
> Due to a bug that's actually the case today to some extent :o).
[...]

"That's not a bug, that's an unintentional feature!" :-P


T

-- 
By understanding a machine-oriented language, the programmer will tend
to use a much more efficient method; it is much closer to reality. -- D.
Knuth


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