swc/crates/swc_bundler/tests/.cache/deno/14db2faaba580d87d8e87a2f10bf8c7883f41f34.ts
2021-11-09 20:42:49 +09:00

40 lines
1.1 KiB
TypeScript

// Loaded from https://deno.land/x/ramda@v0.27.2/source/binary.js
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 (a -> b -> c -> ... -> z) -> ((a, b) -> z)
* @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 = _curry1(function binary(fn) {
return nAry(2, fn);
});
export default binary;