lodash / lodash

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	import before from './before.js'

	/**
	* Creates a function that is restricted to invoking `func` once. Repeat calls
	* to the function return the value of the first invocation. The `func` is
	* invoked with the `this` binding and arguments of the created function.
	*
	* @since 0.1.0
	* @category Function
	* @param {Function} func The function to restrict.
	* @returns {Function} Returns the new restricted function.
	* @example
	*
	* const initialize = once(createApplication)
	* initialize()
	* initialize()
	* // => `createApplication` is invoked once
	*/
	function once(func) {
	return before(2, func)
	}

	export default once

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