ary.first â obj or nilary.first(n) â new_ary
Instance Public methods
Returns the first element, or the first n elements, of the
array. If the array is empty, the first form returns nil, and
the second form returns an empty array. See also #last for the opposite effect.
a = [ "q", "r", "s", "t" ]
a.first #=> "q"
a.first(2) #=> ["q", "r"]