On Monday, 17 February 2020 at 11:07:33 UTC, foozzer wrote:
Hi all,
There's something in Phobos for that?
Thank you
import std.meta : staticMap;
import std.typecons : Tuple;
// Turn types into arrays
alias ToArray(T) = T[];
// Leave everything else the same
alias ToArray(T...) = T;
// Now apply the above to each element of the Tuple template args:
alias ToArrayTuple(T : Tuple!U, U...) =
Tuple!(staticMap!(ToArray, U));
unittest {
alias A = Tuple!(int, string);
assert(is(ToArrayTuple!A == Tuple!(int[], string[])));
alias B = Tuple!(int, "a", string, "b");
assert(is(ToArrayTuple!B == Tuple!(int[], "a", string[],
"b")));
}
--
Simen
