Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/linguistics/en.rb

Overview

Add the #separate and #separate! methods to Array.

Instance Method Summary collapse

Instance Method Details

#separate(value = :__no_arg__, &block) ⇒ Object

Returns a new Array that has had a new member inserted between all of the current ones. The value used is the given value argument unless a block is given, in which case the block is called once for each pair of the Array, and the return value is used as the separator.



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# File 'lib/linguistics/en.rb', line 1728

def separate( value=:__no_arg__, &block )
	ary = self.dup
	ary.separate!( value, &block )
	return ary
end

#separate!(value = :__no_arg__) ⇒ Object

The same as #separate, but modifies the Array in place.

Raises:

  • (ArgumentError) 


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# File 'lib/linguistics/en.rb', line 1735

def separate!( value=:__no_arg__ )
	raise ArgumentError, "wrong number of arguments: (0 for 1)" if
		value == :__no_arg__ && !block_given?

	(1..( (self.length * 2) - 2 )).step(2) do |i|
		if block_given?
			self.insert( i, yield(self[i-1,2]) )
		else
			self.insert( i, value )
		end
	end
	self
end