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- import { flap as flap_ } from './Functor';
- import { pipe } from './function';
- // TODO: curry in v3
- /**
- * Extracts a value at a relative position which depends on the current value.
- *
- * @since 2.0.0
- */
- export function tracks(M, f) {
- return function (wa) { return wa(f(wa(M.empty))); };
- }
- /**
- * Get the current position
- *
- * @since 2.0.0
- */
- export function listen(wa) {
- return function (e) { return [wa(e), e]; };
- }
- /**
- * Get a value which depends on the current position
- *
- * @since 2.0.0
- */
- export function listens(f) {
- return function (wa) { return function (e) { return [wa(e), f(e)]; }; };
- }
- /**
- * Apply a function to the current position
- *
- * @since 2.0.0
- */
- export function censor(f) {
- return function (wa) { return function (e) { return wa(f(e)); }; };
- }
- /**
- * @category instances
- * @since 2.0.0
- */
- export function getComonad(monoid) {
- function extend(wa, f) {
- return function (p1) { return f(function (p2) { return wa(monoid.concat(p1, p2)); }); };
- }
- function extract(wa) {
- return wa(monoid.empty);
- }
- return {
- URI: URI,
- _E: undefined,
- map: _map,
- extend: extend,
- extract: extract
- };
- }
- /* istanbul ignore next */
- var _map = function (fa, f) { return pipe(fa, map(f)); };
- /**
- * `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 function (p) { return f(fa(p)); }; }; };
- /**
- * @category type lambdas
- * @since 2.0.0
- */
- export var URI = 'Traced';
- /**
- * @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);
- // -------------------------------------------------------------------------------------
- // deprecated
- // -------------------------------------------------------------------------------------
- /**
- * Use [`Functor`](#functor) instead.
- *
- * @category zone of death
- * @since 2.0.0
- * @deprecated
- */
- export var traced = Functor;
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