Enum member isIopipe
evaluates to true if the given type is a valid ioPipe
enum isIopipe(T)
= is(typeof(()
{
import std .range .primitives;
import std .traits;
auto t = T .init;
auto window = t .window;
alias W = typeof(window);
static assert(isNarrowString!W || isRandomAccessRange!W);
auto x = t .extend(size_t(0));
static assert(is(typeof(x) == size_t));
t .release(size_t(0));
}
));