"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.getFunctorWithIndexComposition = exports.mapWithIndex = void 0; /** * A `FunctorWithIndex` is a type constructor which supports a mapping operation `mapWithIndex`. * * `mapWithIndex` can be used to turn functions `i -> a -> b` into functions `f a -> f b` whose argument and return types use the type * constructor `f` to represent some computational context. * * Instances must satisfy the following laws: * * 1. Identity: `F.mapWithIndex(fa, (_i, a) => a) <-> fa` * 2. Composition: `F.mapWithIndex(fa, (_i, a) => bc(ab(a))) <-> F.mapWithIndex(F.mapWithIndex(fa, ab), bc)` * * @since 2.0.0 */ var function_1 = require("./function"); var Functor_1 = require("./Functor"); function mapWithIndex(F, G) { return function (f) { return function (fa) { return F.mapWithIndex(fa, function (i, ga) { return G.mapWithIndex(ga, function (j, a) { return f([i, j], a); }); }); }; }; } exports.mapWithIndex = mapWithIndex; /** @deprecated */ function getFunctorWithIndexComposition(F, G) { var map = (0, Functor_1.getFunctorComposition)(F, G).map; var _mapWithIndex = mapWithIndex(F, G); return { map: map, mapWithIndex: function (fga, f) { return (0, function_1.pipe)(fga, _mapWithIndex(f)); } }; } exports.getFunctorWithIndexComposition = getFunctorWithIndexComposition;