_castFunction.js
496ca12772aevalidity_dates

_castFunction.js
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			var identity = require('./identity');

			/**
			* Casts `value` to `identity` if it's not a function.
			*
			* @private
			* @param {*} value The value to inspect.
			* @returns {Function} Returns cast function.
			*/
			function castFunction(value) {
			return typeof value == 'function' ? value : identity;
			}

			module.exports = castFunction;