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import _curry3 from './internal/_curry3.js';import _dispatchable from './internal/_dispatchable.js';import _promap from './internal/_promap.js';import _xpromap from './internal/_xpromap.js';

/** * Takes two functions as pre- and post- processors respectively for a third function, * i.e. `promap(f, g, h)(x) === g(h(f(x)))`. * * Dispatches to the `promap` method of the third argument, if present, * according to the [FantasyLand Profunctor spec](https://github.com/fantasyland/fantasy-land#profunctor). * * Acts as a transducer if a transformer is given in profunctor position. * * @func * @memberOf R * @category Function * @sig (a -> b) -> (c -> d) -> (b -> c) -> (a -> d) * @sig Profunctor p => (a -> b) -> (c -> d) -> p b c -> p a d * @param {Function} f The preprocessor function, a -> b * @param {Function} g The postprocessor function, c -> d * @param {Profunctor} profunctor The profunctor instance to be promapped, e.g. b -> c * @return {Profunctor} The new profunctor instance, e.g. a -> d * @see R.transduce * @example * *      const decodeChar = R.promap(s => s.charCodeAt(), String.fromCharCode, R.add(-8)) *      const decodeString = R.promap(R.split(''), R.join(''), R.map(decodeChar)) *      decodeString("ziuli") //=> "ramda" * * @symb R.promap(f, g, h) = x => g(h(f(x))) * @symb R.promap(f, g, profunctor) = profunctor.promap(f, g) */var promap = _curry3(_dispatchable(['fantasy-land/promap', 'promap'], _xpromap, _promap));
export default promap;