Sha256: 3d044eb82fd07ac67d4a3c6ecdabd5eb2971acd39205b4c81ccd5590e6403467
Contents?: true
Size: 1.07 KB
Versions: 10
Compression:
Stored size: 1.07 KB
Contents
class Enumerator
alias_method :with_object, :each_with_object unless method_defined? :with_object
def next
require 'generator'
@generator ||= Generator.new(self)
raise StopIteration unless @generator.next?
@generator.next
end unless method_defined? :next
def rewind
require 'generator'
@generator ||= Generator.new(self)
@generator.rewind
self
end unless method_defined? :rewind
# new with block, standard in Ruby 1.9
unless (self.new{} rescue false)
class Yielder
def initialize(&block)
@main_block = block
end
def each(&block)
@final_block = block
@main_block.call(self)
end
def yield(*arg)
@final_block.yield(*arg)
end
end
def initialize_with_optional_block(*arg, &block)
return initialize_without_optional_block(*arg, &nil) unless arg.empty? # Ruby 1.9 apparently ignores the block if any argument is present
initialize_without_optional_block(Yielder.new(&block))
end
alias_method_chain :initialize, :optional_block
end
end
Version data entries
10 entries across 10 versions & 2 rubygems