enum.first â obj or nil
enum.first(n) â an_array
enum.first(n) â an_array
Instance Public methods
Returns the first element, or the first n elements, of the
enumerable. If the enumerable is empty, the first form returns
nil, and the second form returns an empty array.
1 2 3 4 | %w[foo bar baz].first #=> "foo"%w[foo bar baz].first(2) #=> ["foo", "bar"]%w[foo bar baz].first(10) #=> ["foo", "bar", "baz"][].first #=> nil |
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