123456789101112131415161718192021222324252627282930313233 |
- import curryN from "./internal/_curryN.js";
- /**
- * Takes a binary function `f`, a unary function `g`, and two values.
- * Applies `g` to each value, then applies the result of each to `f`.
- *
- * Also known as the P combinator.
- *
- * @func
- * @memberOf R
- * @since v0.28.0
- * @category Function
- * @sig ((a, a) -> b) -> (c -> a) -> c -> c -> b
- * @param {Function} f a binary function
- * @param {Function} g a unary function
- * @param {any} a any value
- * @param {any} b any value
- * @return {any} The result of `f`
- * @example
- *
- * const eqBy = R.on((a, b) => a === b);
- * eqBy(R.prop('a'), {b:0, a:1}, {a:1}) //=> true;
- *
- * const containsInsensitive = R.on(R.includes, R.toLower);
- * containsInsensitive('o', 'FOO'); //=> true
- * @symb R.on(f, g, a, b) = f(g(a), g(b))
- */
- var on =
- /*#__PURE__*/
- curryN(4, [], function on(f, g, a, b) {
- return f(g(a), g(b));
- });
- export default on;
|