Module: Prime::OldCompatibility

Defined in:
lib/prime.rb

Overview

Provides a Prime object with compatibility to Ruby 1.8 when instantiated via Prime.new.

Instance Method Summary collapse

Instance Method Details

#each(&block) ⇒ Object

Overwrites Prime#each.

Iterates the given block over all prime numbers. Note that enumeration starts from the current position of internal pointer, not rewound.


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# File 'lib/prime.rb', line 483

def each(&block)
  return @generator.dup unless block_given?
  loop do
    yield succ
  end
end

#succObject Also known as: next

Returns the next prime number and forwards internal pointer.


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# File 'lib/prime.rb', line 474

def succ
  @generator.succ
end