Kenneth Hsu 59703e268c Avoid unnecessary enumeration. ...

Instead of enumerating the entire sequence and checking that the number
of elements is positive, we can simply check to see if the sequence
contains at least one element.

2017-09-26 19:45:07 -07:00

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Builtin

Avoid unnecessary enumeration.

2017-09-26 19:45:07 -07:00