init component
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Robin COuret
316
node_modules/fp-ts/es6/Tuple.js
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316
node_modules/fp-ts/es6/Tuple.js
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import { identity, pipe } from './function';
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import { flap as flap_ } from './Functor';
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import * as RT from './ReadonlyTuple';
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// -------------------------------------------------------------------------------------
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// model
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// -------------------------------------------------------------------------------------
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/**
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* @since 2.0.0
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*/
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export var fst = RT.fst;
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/**
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* @since 2.0.0
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*/
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export var snd = RT.snd;
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/**
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* @since 2.0.0
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*/
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export var swap = function (ea) { return [snd(ea), fst(ea)]; };
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/**
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* @category instances
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* @since 2.0.0
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*/
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export function getApply(S) {
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return {
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URI: URI,
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_E: undefined,
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map: _map,
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ap: function (fab, fa) { return [fst(fab)(fst(fa)), S.concat(snd(fab), snd(fa))]; }
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};
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}
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var of = function (M) {
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return function (a) {
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return [a, M.empty];
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};
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};
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/**
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* @category instances
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* @since 2.0.0
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*/
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export function getApplicative(M) {
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var A = getApply(M);
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return {
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URI: URI,
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_E: undefined,
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map: A.map,
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ap: A.ap,
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of: of(M)
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};
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}
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/**
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* @category instances
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* @since 2.0.0
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*/
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export function getChain(S) {
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var A = getApply(S);
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return {
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URI: URI,
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_E: undefined,
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map: A.map,
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ap: A.ap,
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chain: function (ma, f) {
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var _a = f(fst(ma)), b = _a[0], s = _a[1];
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return [b, S.concat(snd(ma), s)];
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}
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};
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}
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/**
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* @category instances
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* @since 2.0.0
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*/
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export function getMonad(M) {
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var C = getChain(M);
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return {
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URI: URI,
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_E: undefined,
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map: C.map,
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ap: C.ap,
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chain: C.chain,
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of: of(M)
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};
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}
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/**
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* @category instances
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* @since 2.0.0
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*/
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export function getChainRec(M) {
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var chainRec = function (a, f) {
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var result = f(a);
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var acc = M.empty;
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var s = fst(result);
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while (s._tag === 'Left') {
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acc = M.concat(acc, snd(result));
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result = f(s.left);
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s = fst(result);
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}
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return [s.right, M.concat(acc, snd(result))];
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};
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var C = getChain(M);
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return {
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URI: URI,
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_E: undefined,
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map: C.map,
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ap: C.ap,
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chain: C.chain,
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chainRec: chainRec
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};
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}
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/* istanbul ignore next */
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var _compose = function (bc, ab) { return pipe(bc, compose(ab)); };
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/* istanbul ignore next */
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var _map = function (fa, f) { return pipe(fa, mapFst(f)); };
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/* istanbul ignore next */
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var _bimap = function (fa, f, g) { return pipe(fa, bimap(f, g)); };
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/* istanbul ignore next */
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var _mapLeft = function (fa, f) { return pipe(fa, mapSnd(f)); };
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/* istanbul ignore next */
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var _extend = function (wa, f) { return pipe(wa, extend(f)); };
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/* istanbul ignore next */
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var _reduce = function (fa, b, f) { return pipe(fa, reduce(b, f)); };
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/* istanbul ignore next */
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var _foldMap = function (M) {
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var foldMapM = foldMap(M);
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return function (fa, f) { return pipe(fa, foldMapM(f)); };
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};
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/* istanbul ignore next */
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var _reduceRight = function (fa, b, f) { return pipe(fa, reduceRight(b, f)); };
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/* istanbul ignore next */
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function _traverse(F) {
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var traverseF = traverse(F);
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return function (ta, f) { return pipe(ta, traverseF(f)); };
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}
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/**
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* Map a pair of functions over the two type arguments of the bifunctor.
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*
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* @category mapping
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* @since 2.0.0
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*/
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export var bimap = function (f, g) { return function (fa) {
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return [g(fst(fa)), f(snd(fa))];
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}; };
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/**
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* Map a function over the first component of a `Tuple`.
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*
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* This is the `map` operation of the `Functor` instance.
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*
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* @category mapping
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* @since 2.0.0
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*/
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export var mapFst = function (f) { return function (fa) { return [f(fst(fa)), snd(fa)]; }; };
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/**
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* Map a function over the second component of a `Tuple`.
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*
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* This is the `mapLeft` operation of the `Bifunctor` instance.
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*
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* @category mapping
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* @since 2.10.0
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*/
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export var mapSnd = function (f) { return function (fa) { return [fst(fa), f(snd(fa))]; }; };
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/**
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* @since 2.0.0
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*/
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export var compose = function (ab) { return function (bc) { return [fst(bc), snd(ab)]; }; };
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/**
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* @since 2.0.0
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*/
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export var extend = function (f) { return function (wa) { return [f(wa), snd(wa)]; }; };
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/**
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* @since 2.0.0
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*/
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export var duplicate = /*#__PURE__*/ extend(identity);
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/**
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* @category Extract
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* @since 2.6.2
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*/
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export var extract = RT.extract;
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/**
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* @category folding
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* @since 2.0.0
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*/
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export var foldMap = RT.foldMap;
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/**
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* @category folding
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* @since 2.0.0
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*/
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export var reduce = RT.reduce;
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/**
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* @category folding
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* @since 2.0.0
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*/
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export var reduceRight = RT.reduceRight;
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/**
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* @category traversing
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* @since 2.6.3
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*/
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export var traverse = function (F) {
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return function (f) { return function (ta) { return F.map(f(fst(ta)), function (b) { return [b, snd(ta)]; }); }; };
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};
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/**
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* @category traversing
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* @since 2.6.3
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*/
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export var sequence = function (F) {
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return function (fas) {
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return F.map(fst(fas), function (a) { return [a, snd(fas)]; });
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};
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};
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/**
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* @category type lambdas
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* @since 2.0.0
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*/
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export var URI = 'Tuple';
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/**
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* @category instances
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* @since 2.7.0
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*/
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export var Functor = {
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URI: URI,
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map: _map
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};
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/**
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* @category mapping
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* @since 2.10.0
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*/
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export var flap = /*#__PURE__*/ flap_(Functor);
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/**
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* @category instances
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* @since 2.7.0
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*/
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export var Bifunctor = {
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URI: URI,
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bimap: _bimap,
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mapLeft: _mapLeft
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};
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/**
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* @category instances
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* @since 2.7.0
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*/
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export var Semigroupoid = {
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URI: URI,
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compose: _compose
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};
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/**
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* @category instances
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* @since 2.7.0
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*/
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export var Comonad = {
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URI: URI,
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map: _map,
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extend: _extend,
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extract: extract
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};
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/**
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* @category instances
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* @since 2.7.0
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*/
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export var Foldable = {
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URI: URI,
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reduce: _reduce,
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foldMap: _foldMap,
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reduceRight: _reduceRight
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};
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/**
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* @category instances
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* @since 2.7.0
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*/
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export var Traversable = {
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URI: URI,
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map: _map,
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reduce: _reduce,
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foldMap: _foldMap,
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reduceRight: _reduceRight,
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traverse: _traverse,
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sequence: sequence
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};
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// -------------------------------------------------------------------------------------
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// deprecated
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// -------------------------------------------------------------------------------------
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/**
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* Use [`mapFst`](#mapfst) instead.
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*
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* @category zone of death
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* @since 2.0.0
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* @deprecated
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*/
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export var map = mapFst;
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/**
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* Use [`mapSnd`](#mapsnd) instead.
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*
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* @category zone of death
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* @since 2.0.0
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* @deprecated
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*/
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export var mapLeft = mapSnd;
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/**
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* This instance is deprecated, use small, specific instances instead.
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* For example if a function needs a `Functor` instance, pass `T.Functor` instead of `T.tuple`
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* (where `T` is from `import T from 'fp-ts/Tuple'`)
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*
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* @category zone of death
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* @since 2.0.0
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* @deprecated
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*/
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export var tuple = {
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URI: URI,
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compose: _compose,
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map: _map,
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bimap: _bimap,
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mapLeft: _mapLeft,
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extract: extract,
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extend: _extend,
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reduce: _reduce,
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foldMap: _foldMap,
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reduceRight: _reduceRight,
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traverse: _traverse,
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sequence: sequence
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};
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