Patterns for functions in template parameters

[ketmar via Digitalmars-d-learn]

On Fri, 24 Oct 2014 16:00:41 +0000
via Digitalmars-d-learn <digitalmars-d-learn at puremagic.com> wrote:

> On Friday, 24 October 2014 at 14:06:08 UTC, ketmar via 
> Digitalmars-d-learn wrote:
> > On Thu, 23 Oct 2014 18:28:04 +0000
> > Max Samukha via Digitalmars-d-learn 
> > <digitalmars-d-learn at puremagic.com>
> > wrote:
> >
> > um-hm... maybe this:
> >
> >   void Foo(T, U) (T delegate (U) a) {
> >     // here T is bool, U is int for the following sample
> >     import std.stdio;
> >     writeln(a(3));
> >   }
> >
> >   Foo((int x) => x%2 == 0);
> 
> I thought the same thing, but it doesn't compile with DMD from 
> Git:
Foo is a function, not declaration. put in in main(), for example:

  void main () { Foo((int x) => x%2 == 0); }
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