On Saturday, 24 August 2013 at 13:14:30 UTC, Joseph Rushton
Wakeling wrote:
Hello all,
(This accidentally got posted as a reply to someone else's
thread -- I'm reposting in order to make sure that thread
doesn't get diverted.)
Suppose that I have a struct like e.g.:
struct A
{
void foo(int n) { ... }
void foo(Range)(Range r) { ... }
int bar() { ... }
int bar(double x) { ... }
// ... and others ...
}
... an I want to wrap it in another struct, B. If I do this
manually it would be something like,
struct B
{
private A a;
void foo(int n) { return a.foo(n); }
void foo(Range)(Range r) { return a.foo(r); }
// ... etc ...
}
But suppose that I don't a priori know the list of functions
(and function arguments) that need to be wrapped. How could I
go about working this out, with a generic programming approach,
i.e. _without_ manually writing the individual cases?
More specifically, how could I work this out limited to a
specific function of A (say, foo) ... ?
Thanks & best wishes,
-- Joe
You might want to look at std.typecons.Proxy
also, opDispatch is a very powerful tool for doing this sort of
thing.