Module: Linguistics::ArrayExtensions

Included in:
Array
Defined in:
lib/linguistics/monkeypatches.rb

Overview

A collection of extensions that get added to Array.

Instance Method Summary collapse

Instance Method Details

#separate(*args, &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/monkeypatches.rb', line 12

def separate( *args, &block )
	ary = self.dup
	ary.separate!( *args, &block )
	return ary
end

#separate!(*args) ⇒ Object

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

Raises:

  • (LocalJumpError) 


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# File 'lib/linguistics/monkeypatches.rb', line 19

def separate!( *args )
	raise LocalJumpError, "no block given for no-arg #separate!" if
		args.empty? && !block_given?
	value = args.first

	(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