"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.getAlternativeMonoid = exports.altAll = void 0; /** * The `Alternative` type class extends the `Alt` type class with a value that should be the left and right identity for `alt`. * * It is similar to `Monoid`, except that it applies to types of kind `* -> *`, like `Array` or `Option`, rather than * concrete types like `string` or `number`. * * `Alternative` instances should satisfy the following laws: * * 1. Left identity: `A.alt(zero, fa) <-> fa` * 2. Right identity: `A.alt(fa, zero) <-> fa` * 3. Annihilation: `A.map(zero, f) <-> zero` * 4. Distributivity: `A.ap(A.alt(fab, gab), fa) <-> A.alt(A.ap(fab, fa), A.ap(gab, fa))` * 5. Annihilation: `A.ap(zero, fa) <-> zero` * * @since 2.0.0 */ var Alt_1 = require("./Alt"); var Apply_1 = require("./Apply"); function altAll(F) { return (0, Alt_1.altAll)(F)(F.zero()); } exports.altAll = altAll; function getAlternativeMonoid(F) { var f = (0, Apply_1.getApplySemigroup)(F); return function (S) { var SF = f(S); return { concat: function (first, second) { return F.alt(SF.concat(first, second), function () { return F.alt(first, function () { return second; }); }); }, empty: F.zero() }; }; } exports.getAlternativeMonoid = getAlternativeMonoid;