1 | import _curry1 from "./internal/_curry1.js";
|
2 | import nAry from "./nAry.js";
|
3 | /**
|
4 | * Wraps a function of any arity (including nullary) in a function that accepts
|
5 | * exactly 2 parameters. Any extraneous parameters will not be passed to the
|
6 | * supplied function.
|
7 | *
|
8 | * @func
|
9 | * @memberOf R
|
10 | * @since v0.2.0
|
11 | * @category Function
|
12 | * @sig (* -> c) -> (a, b -> c)
|
13 | * @param {Function} fn The function to wrap.
|
14 | * @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of
|
15 | * arity 2.
|
16 | * @see R.nAry, R.unary
|
17 | * @example
|
18 | *
|
19 | * const takesThreeArgs = function(a, b, c) {
|
20 | * return [a, b, c];
|
21 | * };
|
22 | * takesThreeArgs.length; //=> 3
|
23 | * takesThreeArgs(1, 2, 3); //=> [1, 2, 3]
|
24 | *
|
25 | * const takesTwoArgs = R.binary(takesThreeArgs);
|
26 | * takesTwoArgs.length; //=> 2
|
27 | * // Only 2 arguments are passed to the wrapped function
|
28 | * takesTwoArgs(1, 2, 3); //=> [1, 2, undefined]
|
29 | * @symb R.binary(f)(a, b, c) = f(a, b)
|
30 | */
|
31 |
|
32 | var binary =
|
33 | /*#__PURE__*/
|
34 | _curry1(function binary(fn) {
|
35 | return nAry(2, fn);
|
36 | });
|
37 |
|
38 | export default binary; |
\ | No newline at end of file |