main
Last change
on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
Initial commit
|
-
Property mode
set to
100644
|
File size:
906 bytes
|
Rev | Line | |
---|
[d24f17c] | 1 | import curryN from "./internal/_curryN.js";
|
---|
| 2 | /**
|
---|
| 3 | * Takes a binary function `f`, a unary function `g`, and two values.
|
---|
| 4 | * Applies `g` to each value, then applies the result of each to `f`.
|
---|
| 5 | *
|
---|
| 6 | * Also known as the P combinator.
|
---|
| 7 | *
|
---|
| 8 | * @func
|
---|
| 9 | * @memberOf R
|
---|
| 10 | * @since v0.28.0
|
---|
| 11 | * @category Function
|
---|
| 12 | * @sig ((a, a) -> b) -> (c -> a) -> c -> c -> b
|
---|
| 13 | * @param {Function} f a binary function
|
---|
| 14 | * @param {Function} g a unary function
|
---|
| 15 | * @param {any} a any value
|
---|
| 16 | * @param {any} b any value
|
---|
| 17 | * @return {any} The result of `f`
|
---|
| 18 | * @example
|
---|
| 19 | *
|
---|
| 20 | * const eqBy = R.on((a, b) => a === b);
|
---|
| 21 | * eqBy(R.prop('a'), {b:0, a:1}, {a:1}) //=> true;
|
---|
| 22 | *
|
---|
| 23 | * const containsInsensitive = R.on(R.includes, R.toLower);
|
---|
| 24 | * containsInsensitive('o', 'FOO'); //=> true
|
---|
| 25 | * @symb R.on(f, g, a, b) = f(g(a), g(b))
|
---|
| 26 | */
|
---|
| 27 |
|
---|
| 28 | var on =
|
---|
| 29 | /*#__PURE__*/
|
---|
| 30 | curryN(4, [], function on(f, g, a, b) {
|
---|
| 31 | return f(g(a), g(b));
|
---|
| 32 | });
|
---|
| 33 | export default on; |
---|
Note:
See
TracBrowser
for help on using the repository browser.