lift.js•906 B
var _curry1 = require('./internal/_curry1');
var liftN = require('./liftN');
/**
* "lifts" a function of arity > 1 so that it may "map over" a list, Function or other
* object that satisfies the [FantasyLand Apply spec](https://github.com/fantasyland/fantasy-land#apply).
*
* @func
* @memberOf R
* @since v0.7.0
* @category Function
* @sig (*... -> *) -> ([*]... -> [*])
* @param {Function} fn The function to lift into higher context
* @return {Function} The lifted function.
* @see R.liftN
* @example
*
* var madd3 = R.lift(R.curry((a, b, c) => a + b + c));
*
* madd3([1,2,3], [1,2,3], [1]); //=> [3, 4, 5, 4, 5, 6, 5, 6, 7]
*
* var madd5 = R.lift(R.curry((a, b, c, d, e) => a + b + c + d + e));
*
* madd5([1,2], [3], [4, 5], [6], [7, 8]); //=> [21, 22, 22, 23, 22, 23, 23, 24]
*/
module.exports = _curry1(function lift(fn) {
return liftN(fn.length, fn);
});