I couldn't find anything about bignum being lexically scoped either, but try: 

{
    use bignum;
    print ref 1;  # Math::BigInt
}

{
    print ref 1;  # <blank>
}

[download]

Perl just dwim.

Ted Young

($$<<$$=>$$<=>$$<=$$>>$$) always returns 1. :-)

In reply to Re^2: 64 bit numbers in a 32 bit world. by TedYoung
in thread 64 bit numbers in a 32 bit world. by TedYoung

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