ary.collect! {|item| block } â ary
ary.collect! â Enumerator
ary.collect! â Enumerator
Instance Public methods
Invokes the given block once for each element of self,
replacing the element with the value returned by the block.
See also Enumerable#collect.
If no block is given, an Enumerator is returned instead.
1 2 3 | a = [ "a", "b", "c", "d" ]a.map! {|x| x + "!" }a #=> [ "a!", "b!", "c!", "d!" ] |
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