method
each_index
v2_4_6 -
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- Class:
Array
each_index()public
Same as Array#each, but passes the index of the element instead of the element itself.
An Enumerator is returned if no block is given.
a = [ "a", "b", "c" ] a.each_index {|x| print x, " -- " }
produces:
0 -- 1 -- 2 --