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Is there a built-in method in Ruby to support this?
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Ruby provides the to_i and to_f methods to convert strings to numbers. to_i converts a string to an integer, and to_f converts a string to a float.
The user can convert strings to ints or floats by using the methods to_i and to_f , respectively. Other types to string: The user can convert other datatypes to string by using the to_s method.
The and keyword in Ruby takes two expressions and returns “true” if both are true, and “false” if one or more of them is false. This keyword is an equivalent of && logical operator in Ruby, but with lower precedence.
if you are in Rails, you can convert 1 to 1st, 2 to 2nd, and so on, using ordinalize.
Example:
1.ordinalize # => "1st" 2.ordinalize # => "2nd" 3.ordinalize # => "3rd" ... 9.ordinalize # => "9th" ... 1000.ordinalize # => "1000th" And if you want commas in large numbers:
number_with_delimiter(1000, :delimiter => ',') + 1000.ordinal # => "1,000th" in ruby you do not have this method but you can add your own in Integer class like this.
class Integer def ordinalize case self%10 when 1 return "#{self}st" when 2 return "#{self}nd" when 3 return "#{self}rd" else return "#{self}th" end end end 22.ordinalize #=> "22nd" How about Linguistics? Its not built in though. If you want built in , you have to set it up using hashes etc.. See here also for examples
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