I couldn't believe it, but that really is in the source of constant 1.05, the version that comes with perl 5.8.8 (and also in the unauthorized release constant 1.11). What a major think-o by the author.

No, it could never work. Hash keys are strings. undef is not a string.

In reply to Re: undef as a key in a hash. by bart
in thread undef as a key in a hash. by fenLisesi

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