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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 |