1
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var ListCache = require('./_ListCache'),
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2
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Map = require('./_Map'),
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3
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MapCache = require('./_MapCache');
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4
|
|
5
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/** Used as the size to enable large array optimizations. */
|
6
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var LARGE_ARRAY_SIZE = 200;
|
7
|
|
8
|
/**
|
9
|
* Sets the stack `key` to `value`.
|
10
|
*
|
11
|
* @private
|
12
|
* @name set
|
13
|
* @memberOf Stack
|
14
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* @param {string} key The key of the value to set.
|
15
|
* @param {*} value The value to set.
|
16
|
* @returns {Object} Returns the stack cache instance.
|
17
|
*/
|
18
|
function stackSet(key, value) {
|
19
|
var data = this.__data__;
|
20
|
if (data instanceof ListCache) {
|
21
|
var pairs = data.__data__;
|
22
|
if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
|
23
|
pairs.push([key, value]);
|
24
|
this.size = ++data.size;
|
25
|
return this;
|
26
|
}
|
27
|
data = this.__data__ = new MapCache(pairs);
|
28
|
}
|
29
|
data.set(key, value);
|
30
|
this.size = data.size;
|
31
|
return this;
|
32
|
}
|
33
|
|
34
|
module.exports = stackSet;
|