fp-ts-std/dist/esm/Boolean.js

The missing pseudo-standard library for fp-ts.

import * as O from "fp-ts/Option";
import { Ord, SemigroupAll, SemigroupAny } from "fp-ts/boolean";
import { curry2 } from "./Function";
import * as L from "./Lazy";
export const invert = x => !x;
export const and = curry2(SemigroupAll.concat);
export const or = curry2(SemigroupAny.concat);
export const xor = (x) => y => (x && !y) || (!x && y);
export const Bounded = {
    ...Ord,
    top: true,
    bottom: false,
};
export const Enum = {
    ...Bounded,
    succ: x => (x ? O.none : O.some(true)),
    pred: x => (x ? O.some(false) : O.none),
    toEnum: n => (n === 1 ? O.some(true) : n === 0 ? O.some(false) : O.none),
    fromEnum: Number,
    cardinality: L.of(2),
};