Class: Integer

Inherits:
Object show all
Defined in:
lib/rext/integer/helpers.rb

Instance Method Summary collapse

Instance Method Details

#ordinalize ⇒ Object

Ordinalize turns a number into an ordinal string used to denote the position in an ordered sequence such as 1st, 2nd, 3rd, 4th.

Examples

1.ordinalize     # => "1st"
2.ordinalize     # => "2nd"
1002.ordinalize  # => "1002nd"
1003.ordinalize  # => "1003rd"



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# File 'lib/rext/integer/helpers.rb', line 16

def ordinalize
  if (11..13).include? self % 100
    "#{self}th"
  else
    case self % 10
    when 1 ; "#{self}st"
    when 2 ; "#{self}nd"
    when 3 ; "#{self}rd"
    else     "#{self}th"
    end
  end
end