Method: Array#pad

Defined in:
lib/core/facets/array/pad.rb

#pad(len, val = nil) ⇒ Object

Pad an array with a given value up to a given length.

[0,1,2].pad(6,"a")  #=> [0,1,2,"a","a","a"]

If length is a negative number padding will be added to the beginning of the array.

[0,1,2].pad(-6,"a")  #=> ["a","a","a",0,1,2]

CREDIT: Richard Laugesen



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# File 'lib/core/facets/array/pad.rb', line 14

def pad(len, val=nil)
  return dup if self.size >= len.abs
  if len < 0
    Array.new((len+size).abs,val) + self
  else
    self + Array.new(len-size,val)
  end
end