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length

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2023-12-01

Returns the length of the sequence.

Signature

ArrayLikeSequence.length = function() { /*...*/ }
ArrayLikeSequence.length = function length() {
  return this.parent.length();
}
NameType(s)Description
returnsnumber

The length.

Examples

function increment(x) { return x + 1; }

Lazy([]).length()                       // => 0
Lazy([1, 2, 3]).length()                // => 3
Lazy([1, 2, 3]).map(increment).length() // => 3