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| var _has = require('./_has.js');
|
| // Memoize an expensive function by storing its results.
| function memoize(func, hasher) {
| var memoize = function(key) {
| var cache = memoize.cache;
| var address = '' + (hasher ? hasher.apply(this, arguments) : key);
| if (!_has(cache, address)) cache[address] = func.apply(this, arguments);
| return cache[address];
| };
| memoize.cache = {};
| return memoize;
| }
|
| module.exports = memoize;
|
|
