class Hamster::SortedSet

def fetch(index, default = (missing_default = true))

Returns:
  • (Object) -

Parameters:
  • default (Object) -- Object to return if the key is not found
  • index (Integer) -- The index to look up
  • index (Integer) -- The index to look up
  • index (Integer) -- The index to look up

Overloads:
  • fetch(index, default)
  • fetch(index) { |index| ... }
  • fetch(index)

Other tags:
    Yieldreturn: - Default value to return

Other tags:
    Yieldparam: index - The index which does not exist

Other tags:
    Yield: - Once if the index is not found.

Raises:
  • (IndexError) - if index does not exist 
def fetch(index, default = (missing_default = true))
  if index >= -@node.size && index < @node.size
    at(index)
  elsif block_given?
    yield(index)
  elsif !missing_default
    default
  else
    raise IndexError, "index #{index} outside of sorted set bounds"
  end
end