On 08/29/2013 08:53 PM, Meta wrote:> However, after some fiddling, it seems that this is actually not usable with
> anonymous functions, or at least, I couldn't find a way to do it.
Borrowing the "self" trick from the existing solution, the following satisfies all of the requirements:
int fib(int arg) pure {
enforce(arg >= 0);
return function int (int n) pure nothrow {
auto self = __traits(parent, {});
return (n < 2) ? n : self(n - 1) + self(n - 2);
}(arg);
}
Ali
