327 lines
7.2 KiB
JavaScript
327 lines
7.2 KiB
JavaScript
import { apFirst as apFirst_, apS as apS_, apSecond as apSecond_ } from './Apply';
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import { bind as bind_, chainFirst as chainFirst_ } from './Chain';
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import { tailRec } from './ChainRec';
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import { identity as id, pipe } from './function';
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import { let as let__, bindTo as bindTo_, flap as flap_ } from './Functor';
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import * as _ from './internal';
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var _map = function (fa, f) { return pipe(fa, map(f)); };
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var _ap = function (fab, fa) { return pipe(fab, ap(fa)); };
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var _chain = function (ma, f) { return pipe(ma, chain(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) { return function (fa, f) { return pipe(fa, foldMap(M)(f)); }; };
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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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var _alt = function (fa, that) { return pipe(fa, alt(that)); };
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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 _traverse = function (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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var _chainRec = tailRec;
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/**
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* `map` can be used to turn functions `(a: A) => B` into functions `(fa: F<A>) => F<B>` whose argument and return types
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* use the type constructor `F` to represent some computational context.
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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 map = function (f) { return function (fa) { return f(fa); }; };
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/**
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* @since 2.0.0
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*/
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export var ap = function (fa) { return function (fab) { return fab(fa); }; };
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/**
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* @category constructors
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* @since 2.0.0
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*/
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export var of = id;
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/**
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* Composes computations in sequence, using the return value of one computation to determine the next computation.
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*
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* @category sequencing
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* @since 2.0.0
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*/
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export var chain = function (f) { return function (ma) { return f(ma); }; };
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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); }; };
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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 = id;
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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(id);
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/**
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* @category sequencing
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* @since 2.0.0
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*/
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export var flatten = /*#__PURE__*/ chain(id);
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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 = function (b, f) { return function (fa) { return f(b, fa); }; };
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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 = function () { return function (f) { return function (fa) { return f(fa); }; }; };
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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 = function (b, f) { return function (fa) { return f(fa, b); }; };
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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) {
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return function (ta) {
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return F.map(f(ta), id);
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};
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};
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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 (ta) {
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return F.map(ta, id);
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};
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};
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/**
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* Less strict version of [`alt`](#alt).
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*
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* The `W` suffix (short for **W**idening) means that the return types will be merged.
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*
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* @category error handling
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* @since 2.9.0
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*/
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export var altW = function () { return id; };
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/**
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* Identifies an associative operation on a type constructor. It is similar to `Semigroup`, except that it applies to
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* types of kind `* -> *`.
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*
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* @category error handling
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* @since 2.0.0
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*/
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export var alt = altW;
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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 = 'Identity';
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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 var getShow = id;
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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 var getEq = id;
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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 2.10.0
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*/
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export var Pointed = {
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URI: URI,
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of: of
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};
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/**
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* @category instances
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* @since 2.10.0
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*/
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export var Apply = {
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URI: URI,
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map: _map,
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ap: _ap
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};
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/**
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* Combine two effectful actions, keeping only the result of the first.
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*
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* @since 2.0.0
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*/
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export var apFirst = /*#__PURE__*/ apFirst_(Apply);
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/**
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* Combine two effectful actions, keeping only the result of the second.
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*
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* @since 2.0.0
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*/
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export var apSecond = /*#__PURE__*/ apSecond_(Apply);
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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 Applicative = {
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URI: URI,
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map: _map,
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ap: _ap,
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of: of
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};
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/**
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* @category instances
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* @since 2.10.0
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*/
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export var Chain = {
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URI: URI,
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map: _map,
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ap: _ap,
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chain: _chain
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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 Monad = {
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URI: URI,
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map: _map,
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ap: _ap,
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of: of,
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chain: _chain
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};
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/**
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* Composes computations in sequence, using the return value of one computation to determine the next computation and
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* keeping only the result of the first.
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*
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* @category sequencing
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* @since 2.0.0
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*/
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export var chainFirst = /*#__PURE__*/ chainFirst_(Chain);
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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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* @category instances
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* @since 2.7.0
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*/
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export var Alt = {
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URI: URI,
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map: _map,
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alt: _alt
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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 ChainRec = {
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URI: URI,
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map: _map,
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ap: _ap,
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chain: _chain,
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chainRec: _chainRec
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};
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// -------------------------------------------------------------------------------------
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// do notation
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// -------------------------------------------------------------------------------------
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/**
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* @category do notation
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* @since 2.9.0
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*/
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export var Do = /*#__PURE__*/ of(_.emptyRecord);
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/**
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* @category do notation
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* @since 2.8.0
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*/
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export var bindTo = /*#__PURE__*/ bindTo_(Functor);
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var let_ = /*#__PURE__*/ let__(Functor);
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export {
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/**
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* @category do notation
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* @since 2.13.0
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*/
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let_ as let };
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/**
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* @category do notation
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* @since 2.8.0
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*/
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export var bind = /*#__PURE__*/ bind_(Chain);
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/**
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* @category do notation
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* @since 2.8.0
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*/
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export var apS = /*#__PURE__*/ apS_(Apply);
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// -------------------------------------------------------------------------------------
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// deprecated
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// -------------------------------------------------------------------------------------
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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 `I.Functor` instead of `I.identity`
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* (where `I` is from `import I from 'fp-ts/Identity'`)
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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 identity = {
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URI: URI,
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map: _map,
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ap: _ap,
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of: of,
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chain: _chain,
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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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alt: _alt,
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extract: extract,
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extend: _extend,
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chainRec: _chainRec
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};
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