Contents

# frozen_string_literal: true

RubyNext::Core.patch Enumerator.singleton_class, method: :produce, singleton: Enumerator, version: "2.7" do
  <<-'RUBY'
# Based on https://github.com/zverok/enumerator_generate
def produce(*rest, &block)
  raise ArgumentError, "wrong number of arguments (given #{rest.size}, expected 0..1)" if rest.size > 1
  raise ArgumentError, "No block given" unless block

  Enumerator.new(Float::INFINITY) do |y|
    val = rest.empty? ? yield() : rest.pop

    loop do
      y << val
      val = yield(val)
    end
  end
end
  RUBY
end

Version data entries

25 entries across 25 versions & 1 rubygems

Version	Path
ruby-next-core-0.10.4	lib/ruby-next/core/enumerator/produce.rb
ruby-next-core-0.10.3	lib/ruby-next/core/enumerator/produce.rb
ruby-next-core-0.10.2	lib/ruby-next/core/enumerator/produce.rb
ruby-next-core-0.10.1	lib/ruby-next/core/enumerator/produce.rb
ruby-next-core-0.10.0	lib/ruby-next/core/enumerator/produce.rb