Function struct

packages/effect/src/Order.ts:242–255

(
  fields: R
)

 * @since 2.0.0
 */
export const struct = <R extends { readonly [x: string]: Order<any> }>(
  fields: R
): Order<{ [K in keyof R]: [R[K]] extends [Order<infer A>] ? A : never }> => {
  const keys = Object.keys(fields)
  return make((self, that) => {
    for (const key of keys) {
      const o = fields[key](self[key], that[key])
      if (o !== 0) {
        return o
      }
    }
    return 0
  })
}

/**
 * Test whether one value is _strictly less than_ another.