cartesianProduct should have length for finite ranges #9871
Description
dlang-bugzilla (@CyberShadow) reported this on 2024-05-07T09:16:37Z
Transfered from https://issues.dlang.org/show_bug.cgi?id=24541
Description
Does not compile:
import std.algorithm.setops;
assert(cartesianProduct([1, 2], [3, 4]).length == 4);
Currently the code does:
return joiner(map!((ElementType!R1 a) => zip(repeat(a), range2.save))
(range1));