Method: Immutable::List#flatten

Defined in:

lib/immutable/list.rb

#flatten ⇒ List Also known as: concat

Concatenates a list of lists.

Returns:

• (List) —

  the concatenated list.

# File 'lib/immutable/list.rb', line 227

def flatten
  foldr(Nil) { |x, xs| x + xs }
end