Function struct

packages/effect/src/Equivalence.ts:223–235

(
  fields: R
)

 * @since 2.0.0
 */
export const struct = <R extends Record<string, Equivalence<any>>>(
  fields: R
): Equivalence<{ readonly [K in keyof R]: [R[K]] extends [Equivalence<infer A>] ? A : never }> => {
  const keys = Object.keys(fields)
  return make((self, that) => {
    for (const key of keys) {
      if (!fields[key](self[key], that[key])) {
        return false
      }
    }
    return true
  })
}