size
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2023-12-01
Gets the number of elements in the sequence. In some cases, this may require eagerly evaluating the sequence.
Signature
Sequence.size = function() { /*...*/ }Sequence.size = function size() {
return this.getIndex().length();
}| Name | Type(s) | Description |
|---|---|---|
| returns | number | The number of elements in the sequence. |
Examples
Lazy([1, 2, 3]).size(); // => 3
Lazy([1, 2]).map(Lazy.identity).size(); // => 2
Lazy([1, 2, 3]).reject(isEven).size(); // => 2
Lazy([1, 2, 3]).take(1).size(); // => 1
Lazy({ foo: 1, bar: 2 }).size(); // => 2
Lazy('hello').size(); // => 5