Function isSubset_

packages/effect-app/src/Set.ts:233–236

(E: Equivalence.Equivalence<A>)

 * `true` if and only if every element in the first set is an element of the second set
 */
export function isSubset_<A>(E: Equivalence.Equivalence<A>): (x: Set<A>, y: Set<A>) => boolean {
  const elemE = elem_(E)
  return (x, y) => every((a: A) => elemE(y, a))(x)
}

/**
 * Filter set values using predicate