forked from waja/action-debian-package
38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
import _curry1 from "./internal/_curry1.js";
|
|
import nAry from "./nAry.js";
|
|
/**
|
|
* Wraps a function of any arity (including nullary) in a function that accepts
|
|
* exactly 2 parameters. Any extraneous parameters will not be passed to the
|
|
* supplied function.
|
|
*
|
|
* @func
|
|
* @memberOf R
|
|
* @since v0.2.0
|
|
* @category Function
|
|
* @sig (* -> c) -> (a, b -> c)
|
|
* @param {Function} fn The function to wrap.
|
|
* @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of
|
|
* arity 2.
|
|
* @see R.nAry, R.unary
|
|
* @example
|
|
*
|
|
* const takesThreeArgs = function(a, b, c) {
|
|
* return [a, b, c];
|
|
* };
|
|
* takesThreeArgs.length; //=> 3
|
|
* takesThreeArgs(1, 2, 3); //=> [1, 2, 3]
|
|
*
|
|
* const takesTwoArgs = R.binary(takesThreeArgs);
|
|
* takesTwoArgs.length; //=> 2
|
|
* // Only 2 arguments are passed to the wrapped function
|
|
* takesTwoArgs(1, 2, 3); //=> [1, 2, undefined]
|
|
* @symb R.binary(f)(a, b, c) = f(a, b)
|
|
*/
|
|
|
|
var binary =
|
|
/*#__PURE__*/
|
|
_curry1(function binary(fn) {
|
|
return nAry(2, fn);
|
|
});
|
|
|
|
export default binary; |