method
keep_if
v2_1_10 -
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- Class:
Array
keep_if()public
Deletes every element of self for which the given 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"]