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/**
* 缓存函数的计算结果,避免重复计算
* @example
* _.memoize(calColor);
* _.memoize(calColor, (...args) => args[0]);
* @param fn 缓存的函数
* @param resolver 生成缓存 key 的函数
* @param maxSize lru 缓存的大小
*/
export default function memoize<T extends Function>(fn: T, resolver?: (...args: any[]) => string, maxSize?: number): T;