method
keep_if
v1_9_3_125 -
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- Class:
Array
keep_if()public
Deletes every element of self for which block evaluates to false. See also Array#select!
If no block is given, an enumerator is returned instead.
a = %w{ a b c d e f } a.keep_if {|v| v =~ /[aeiou]/} #=> ["a", "e"]