Function fromArray

packages/effect-app/src/Set.ts:507–520

(E: Equivalence.Equivalence<A>)

 * Create a set from an array
 */
export function fromArray<A>(E: Equivalence.Equivalence<A>): (as: ReadonlyArray<A>) => Set<A> {
  return (as) => {
    const len = as.length
    const r = new Set<A>()
    const has = elem_(E)
    for (let i = 0; i < len; i++) {
      const a = as[i]!
      if (!has(r, a)) {
        r.add(a)
      }
    }
    return r
  }
}

/**
 * Set compaction, remove none