Flowdock
method

peek_values

Importance_1
v1_9_2_180 - Show latest stable - 0 notes - Class: Enumerator
peek_values() public

Returns the next object as an array in the enumerator, but don’t move the internal position forward. When the position reached at the end, StopIteration is raised.

o = Object.new
def o.each
  yield
  yield 1
  yield 1, 2
end
e = o.to_enum
p e.peek_values    #=> []
e.next
p e.peek_values    #=> [1]
p e.peek_values    #=> [1]
e.next
p e.peek_values    #=> [1, 2]
e.next
p e.peek_values    # raises StopIteration
Show source
Register or log in to add new notes.