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Determine If A Syntactically Correct Series Of Characters Is Numeric (in A Way Cool Way Returning True Or False) In Ruby

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Re: ruby equivalent PHP function is_numeric?
Posted by David Vallner (Guest) on 18.11.2006 02:27 wrote:
>> thanks
>> joss
>   harp:~ > cat a.rb
>   def is_numeric?(n) Float n rescue false end
def is_numeric?(n) begin Float n; return true rescue false end
Predicate methods not returning a boolean make my skin crawl even if
it's all the same difference for conditionals.

David Vallner