74 lines
1.7 KiB
JavaScript
74 lines
1.7 KiB
JavaScript
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import * as _ from './internal';
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// -------------------------------------------------------------------------------------
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// constructors
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// -------------------------------------------------------------------------------------
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/**
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* Returns a `Refinement` from a `Option` returning function.
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* This function ensures that a `Refinement` definition is type-safe.
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*
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* @category lifting
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* @since 2.11.0
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*/
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export var fromOptionK = function (getOption) {
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return function (a) { return _.isSome(getOption(a)); };
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};
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/**
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* @category lifting
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* @since 2.11.0
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*/
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export var fromEitherK = function (getEither) {
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return function (a) { return _.isRight(getEither(a)); };
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};
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/**
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* @category constructors
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* @since 2.11.0
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*/
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export var id = function () {
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return function (_) { return true; };
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};
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// -------------------------------------------------------------------------------------
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// combinators
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// -------------------------------------------------------------------------------------
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/**
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* @since 2.11.0
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*/
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export var not = function (refinement) {
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return function (a) {
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return !refinement(a);
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};
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};
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/**
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* @since 2.11.0
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*/
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export var or = function (second) {
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return function (first) {
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return function (a) {
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return first(a) || second(a);
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};
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};
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};
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/**
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* @since 2.11.0
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*/
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export var and = function (second) {
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return function (first) {
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return function (a) {
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return first(a) && second(a);
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};
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};
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};
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/**
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* @since 2.11.0
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*/
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export var zero = function () {
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return function (_) { return false; };
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};
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/**
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* @since 2.11.0
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*/
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export var compose = function (bc) {
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return function (ab) {
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return function (i) { return ab(i) && bc(i); };
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};
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};
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