of_type

In std/collections.

elementwise fn of_type<F<_> : Collection<_>, T, U>(self: F<T>, type: Type<U>) : F<U>

The elements whose runtime type is type or one of its subtypes, each at that type, in an F<U>: filter(x => x | is(U)). [1, "a", 2] | of_type(Int) is [1, 2].