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Текущая директория: /opt/BitGoJS/node_modules/fp-ts/es6
Просмотр файла: Store.js
import { identity, pipe } from './function';
import { flap as flap_ } from './Functor';
/**
* Reposition the focus at the specified position
*
* @since 2.0.0
*/
export function seek(s) {
return function (wa) { return ({ peek: wa.peek, pos: s }); };
}
/**
* Reposition the focus at the specified position, which depends on the current position
*
* @since 2.0.0
*/
export function seeks(f) {
return function (wa) { return ({ peek: wa.peek, pos: f(wa.pos) }); };
}
/**
* Extract a value from a position which depends on the current position
*
* @since 2.0.0
*/
export function peeks(f) {
return function (wa) { return wa.peek(f(wa.pos)); };
}
export function experiment(F) {
return function (f) { return function (wa) { return F.map(f(wa.pos), function (s) { return wa.peek(s); }); }; };
}
/* istanbul ignore next */
var _map = function (fa, f) { return pipe(fa, map(f)); };
/* istanbul ignore next */
var _extend = function (wa, f) { return pipe(wa, extend(f)); };
/**
* @since 2.0.0
*/
export var extend = function (f) { return function (wa) { return ({
peek: function (s) { return f({ peek: wa.peek, pos: s }); },
pos: wa.pos
}); }; };
/**
* @category Extract
* @since 2.6.2
*/
export var extract = function (wa) { return wa.peek(wa.pos); };
/**
* @since 2.0.0
*/
export var duplicate = /*#__PURE__*/ extend(identity);
/**
* `map` can be used to turn functions `(a: A) => B` into functions `(fa: F<A>) => F<B>` whose argument and return types
* use the type constructor `F` to represent some computational context.
*
* @category mapping
* @since 2.0.0
*/
export var map = function (f) { return function (fa) { return ({
peek: function (s) { return f(fa.peek(s)); },
pos: fa.pos
}); }; };
/**
* @category type lambdas
* @since 2.0.0
*/
export var URI = 'Store';
/**
* @category instances
* @since 2.7.0
*/
export var Functor = {
URI: URI,
map: _map
};
/**
* @category mapping
* @since 2.10.0
*/
export var flap = /*#__PURE__*/ flap_(Functor);
/**
* @category instances
* @since 2.7.0
*/
export var Comonad = {
URI: URI,
map: _map,
extend: _extend,
extract: extract
};
// -------------------------------------------------------------------------------------
// deprecated
// -------------------------------------------------------------------------------------
/**
* This instance is deprecated, use small, specific instances instead.
* For example if a function needs a `Comonad` instance, pass `S.Comonad` instead of `S.store`
* (where `S` is from `import S from 'fp-ts/Store'`)
*
* @category zone of death
* @since 2.0.0
* @deprecated
*/
export var store = Comonad;
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