method
empty?
v2_1_10 -
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- Class:
Array
empty?()public
Returns true if self contains no elements.
[].empty? #=> true
1Note
Antonym of empty?
The antonym of empty? is Enumerable#any? method:
[].empty? #=> true
[].any? #=> false
[1].empty? #=> false
[1].any? #=> true
Be cautious however, if your array might contain nil's or false's:
[false, nil].any? #=> false