On Feb 17, 2011, at 3:22 PM, Paul Berry wrote: > On Thu, Feb 17, 2011 at 3:17 PM, Luke Kanies <[email protected]> wrote: > luke@syringe $ ruby -e 'a = "foo"; b = -a' > -e:1: undefined method `-@' for "foo":String (NoMethodError) > luke@syringe $ > > > Yes, but this error doesn't come from Ruby's parser. It is a runtime error > at the time that Ruby detects that you are trying to apply unary minus to a > string. Ruby allows unary negation of variables that hold numeric values: > > [ticket/2.6.next/6338] ~/puppet_labs/puppet$ ruby -e 'a = 3; b = -a; puts b' > -3 > [ticket/2.6.next/6338] ~/puppet_labs/puppet$
Ah, you're right. I tried a few iterations and they all failed; I didn't think to stick to numbers rather than strings, duh. -- No matter how rich you become, how famous or powerful, when you die the size of your funeral will still pretty much depend on the weather. -- Michael Pritchard --------------------------------------------------------------------- Luke Kanies -|- http://puppetlabs.com -|- +1(615)594-8199 -- You received this message because you are subscribed to the Google Groups "Puppet Developers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/puppet-dev?hl=en.
