e.peek รข object
Instance Public methods
Returns the next object in the enumerator, but doesn't move the internal position forward. If the position is already at the end, StopIteration is raised.
Example
a = [1,2,3] e = a.to_enum p e.next #=> 1 p e.peek #=> 2 p e.peek #=> 2 p e.peek #=> 2 p e.next #=> 2 p e.next #=> 3 p e.peek #raises StopIteration
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