Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/core_extension/array.rb

Overview

Extention of ruby’s standard array.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.wrap(object) ⇒ Object

This wrap method is taken from ActiveSupport and simply wraps an object into an array.



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# File 'lib/core_extension/array.rb', line 20

def self.wrap(object)
  if object.nil?
    [ ]
  elsif object.respond_to?(:to_ary)
    object.to_ary
  else
    [ object ]
  end
end

Instance Method Details

#resize(length, element = nil) ⇒ Object 



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# File 'lib/core_extension/array.rb', line 5

def resize(length, element = nil)
  case size <=> length
    when 1
      slice 0, length
    when -1
      result = self.dup
      result << element while result.size < length
      result
    when 0
      self
  end
end