Method: Immutable.stream

Defined in:
lib/immutable/list.rb

.stream(&block) ⇒ List

Create a lazy, infinite list.

The given block is called as necessary to return successive elements of the list.

Examples:

Immutable.stream { :hello }.take(3)
# => Immutable::List[:hello, :hello, :hello]

Returns:



22
23
24
25
 
# File 'lib/immutable/list.rb', line 22

def stream(&block)
  return EmptyList unless block_given?
  LazyList.new { Cons.new(yield, stream(&block)) }
end