Beta D 2.069.0-b1
Kagamin via Digitalmars-d-announce
digitalmars-d-announce at puremagic.com
Tue Oct 13 06:18:35 PDT 2015
On Saturday, 10 October 2015 at 02:57:03 UTC, Meta wrote:
> I don't know how much metaprogramming-heavy generic code you've
> written, but I can say from first-hand experience that there is
> such a thing as Hell, and it is called Optional Parens.
>
> Jokes aside, I've finally fixed (read: worked around using
> awful hacks) a bug where the compiler was complaining about
> either "Type.memberFunction is not callable with arguments ()"
> or "Need 'this' for Type.memberFunction". I love optional
> parens in regular code, especially range-based code (doesn't
> everybody?), but I desperately want a way to ensure that the
> symbol that I'm trying to pass to a template function won't be
> interpreted as a function call instead.
Well, in order to pass the result of a function call to a
template parameter means that the function must be evaluated at
compile time, which is not always possible, so it probably
doesn't make sense to call a function when passed as a template
argument.
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