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- import { tuple } from './function';
- import * as _ from './internal';
- export function ap(F, G) {
- return function (fa) {
- return function (fab) {
- return F.ap(F.map(fab, function (gab) { return function (ga) { return G.ap(gab, ga); }; }), fa);
- };
- };
- }
- export function apFirst(A) {
- return function (second) { return function (first) {
- return A.ap(A.map(first, function (a) { return function () { return a; }; }), second);
- }; };
- }
- export function apSecond(A) {
- return function (second) {
- return function (first) {
- return A.ap(A.map(first, function () { return function (b) { return b; }; }), second);
- };
- };
- }
- export function apS(F) {
- return function (name, fb) {
- return function (fa) {
- return F.ap(F.map(fa, function (a) { return function (b) {
- var _a;
- return Object.assign({}, a, (_a = {}, _a[name] = b, _a));
- }; }), fb);
- };
- };
- }
- export function getApplySemigroup(F) {
- return function (S) { return ({
- concat: function (first, second) {
- return F.ap(F.map(first, function (x) { return function (y) { return S.concat(x, y); }; }), second);
- }
- }); };
- }
- function curried(f, n, acc) {
- return function (x) {
- var combined = Array(acc.length + 1);
- for (var i = 0; i < acc.length; i++) {
- combined[i] = acc[i];
- }
- combined[acc.length] = x;
- return n === 0 ? f.apply(null, combined) : curried(f, n - 1, combined);
- };
- }
- var tupleConstructors = {
- 1: function (a) { return [a]; },
- 2: function (a) { return function (b) { return [a, b]; }; },
- 3: function (a) { return function (b) { return function (c) { return [a, b, c]; }; }; },
- 4: function (a) { return function (b) { return function (c) { return function (d) { return [a, b, c, d]; }; }; }; },
- 5: function (a) { return function (b) { return function (c) { return function (d) { return function (e) { return [a, b, c, d, e]; }; }; }; }; }
- };
- function getTupleConstructor(len) {
- if (!_.has.call(tupleConstructors, len)) {
- tupleConstructors[len] = curried(tuple, len - 1, []);
- }
- return tupleConstructors[len];
- }
- export function sequenceT(F) {
- return function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- var len = args.length;
- var f = getTupleConstructor(len);
- var fas = F.map(args[0], f);
- for (var i = 1; i < len; i++) {
- fas = F.ap(fas, args[i]);
- }
- return fas;
- };
- }
- function getRecordConstructor(keys) {
- var len = keys.length;
- switch (len) {
- case 1:
- return function (a) {
- var _a;
- return (_a = {}, _a[keys[0]] = a, _a);
- };
- case 2:
- return function (a) { return function (b) {
- var _a;
- return (_a = {}, _a[keys[0]] = a, _a[keys[1]] = b, _a);
- }; };
- case 3:
- return function (a) { return function (b) { return function (c) {
- var _a;
- return (_a = {}, _a[keys[0]] = a, _a[keys[1]] = b, _a[keys[2]] = c, _a);
- }; }; };
- case 4:
- return function (a) { return function (b) { return function (c) { return function (d) {
- var _a;
- return (_a = {},
- _a[keys[0]] = a,
- _a[keys[1]] = b,
- _a[keys[2]] = c,
- _a[keys[3]] = d,
- _a);
- }; }; }; };
- case 5:
- return function (a) { return function (b) { return function (c) { return function (d) { return function (e) {
- var _a;
- return (_a = {},
- _a[keys[0]] = a,
- _a[keys[1]] = b,
- _a[keys[2]] = c,
- _a[keys[3]] = d,
- _a[keys[4]] = e,
- _a);
- }; }; }; }; };
- default:
- return curried(function () {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- var r = {};
- for (var i = 0; i < len; i++) {
- r[keys[i]] = args[i];
- }
- return r;
- }, len - 1, []);
- }
- }
- export function sequenceS(F) {
- return function (r) {
- var keys = Object.keys(r);
- var len = keys.length;
- var f = getRecordConstructor(keys);
- var fr = F.map(r[keys[0]], f);
- for (var i = 1; i < len; i++) {
- fr = F.ap(fr, r[keys[i]]);
- }
- return fr;
- };
- }
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