Method: Fusu::String::Methods#ordinal

Defined in:
lib/fusu/string/methods.rb

#ordinal(number) ⇒ Object

Returns the suffix that should be added to a number to denote the position in an ordered sequence such as 1st, 2nd, 3rd, 4th.

ordinal(1)     # => "st"
ordinal(2)     # => "nd"
ordinal(1002)  # => "nd"
ordinal(1003)  # => "rd"
ordinal(-11)   # => "th"
ordinal(-1021) # => "st"



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# File 'lib/fusu/string/methods.rb', line 282

def ordinal(number)
  abs_number = number.to_i.abs

  if (11..13).include?(abs_number % 100)
    "th"
  else
    case abs_number % 10
    when 1; "st"
    when 2; "nd"
    when 3; "rd"
      else    "th"
    end
  end
end