Module: Prelude::Enumerator

Defined in:
lib/prelude/enumerator.rb

Constant Summary collapse

TypeMismatch = 
Class.new(StandardError)

Instance Method Summary collapse

Instance Method Details

#with_prelude ⇒ Object

Raises:



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# File 'lib/prelude/enumerator.rb', line 5

def with_prelude
  return to_enum(:with_prelude) unless block_given?

  raise TypeMismatch unless map(&:class).uniq.count == 1

  # Share a preloader
  preloader = Preloader.new(first.class, self)
  each { |r| r.prelude_preloader = preloader }

  # Iterate
  each { |o| yield o }
end