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x/ramda/prop.js

:ram: Practical functional Javascript
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import _curry2 from './internal/_curry2';import path from './path';

/** * Returns a function that when supplied an object returns the indicated * property of that object, if it exists. * * @func * @memberOf R * @since v0.1.0 * @category Object * @sig s -> {s: a} -> a | Undefined * @param {String} p The property name * @param {Object} obj The object to query * @return {*} The value at `obj.p`. * @see R.path * @example * * R.prop('x', {x: 100}); //=> 100 * R.prop('x', {}); //=> undefined * R.compose(R.inc, R.prop('x'))({ x: 3 }) //=> 4 */
var prop = _curry2(function prop(p, obj) { return path([p], obj); });export default prop;