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use Devel::Peek; use Scalar::Util qw/dualvar/; ... (10.2+$_).$_ for @x; Dump $x[0]; Dump $x[1];
SV = PVNV(0x830ef78) at 0x8310564 REFCNT = 1 FLAGS = (IOK,NOK,POK,pIOK,pNOK,pPOK) ... PV = 0x833b77c "0 "\0 CUR = 2 LEN = 4