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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 * @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.contains, R.toLower); *      containsInsensitive('o', 'FOO'); //=> true * @symb R.on(f, g, a, b) = f(g(a), g(b)) */var on = curryN(4, [], function on(f, g, a, b) {  return f(g(a), g(b));});export default on;