Function Set.opBinaryRight

in operator.

bool opBinaryRight(string op : "in", U) (
  auto const ref U value
) const
if (ifTestable!(U, (a) => T.init == a));

Parameters

NameDescription
U Type comparable with the element type, used for the lookup.
value Element to be searched for.

Returns

true if the given element exists in the container, false otherwise.

Example

Set!int set;

assert(5 !in set);
set.insert(5);
assert(5 in set);
assert(8 !in set);