xieite::unroll()

Defined in header <xieite/fn/unroll.hpp>

Unrolls a constant-sized loop.
Passes indices to the given functor as a pack of template arguments.


Declarations

 #0 
template<std::integral auto n>
constexpr auto unroll(auto&& fn, auto&&... args)
	XIEITE_ARROW(/* XIEITE_FWD(fn).template operator()<0, 1, ..., (n - 1)>(XIEITE_FWD(args)...) */)
Unrolls for some constant integer.

#1 
template<typename... Ts>
constexpr auto unroll(auto&& fn, auto&&... args)
	XIEITE_ARROW(xieite::unroll<sizeof...(Ts)>(XIEITE_FWD(fn), XIEITE_FWD(args)...))
Unrolls for the number of types passed.


Example

 
int main() {
	xieite::unroll<5>([]<int... i> static {
		xieite::dump(i...);
	});
}
Output: 
0 1 2 3 4
[View in Compiler Explorer]