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$ perl -MDP -wE'DDump Data::Peek::triplevar"\x{03c0}",3,3.14159265' SV = PVNV(0x8760c9c) at 0x817d0a4 REFCNT = 1 ... CUR = 2 LEN = 12 $
$ perl -MDP -wE'DPeek for DDual Data::Peek::triplevar"\x{03c0}",3,3.14 +159265' PV("\317\200"\0) [UTF8 "\x{3c0}"] IV(3) NV(3.14159) SV_UNDEF IV(0)