in reply to Re^2: Hashing it out: defined? exists?
in thread Hashing it out: defined? exists?

Benchmark: timing 500000 iterations of as is, defined, exists...
     as is:  0 wallclock secs ( 0.79 usr +  0.00 sys =  0.79 CPU)
   defined:  2 wallclock secs ( 0.82 usr +  0.00 sys =  0.82 CPU)
    exists:  1 wallclock secs ( 0.76 usr +  0.00 sys =  0.76 CPU)

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