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| $ perlbrew exec perl -MDevel::Peek -e 'my $v = scalar(my @array); Dump($v);' | |
| perl-5.32.1 | |
| ========== | |
| SV = PVNV(0x556be55730f0) at 0x556be5595dc8 | |
| REFCNT = 1 | |
| FLAGS = (IOK,NOK,POK,pIOK,pNOK,pPOK) | |
| IV = 0 | |
| NV = 0 | |
| PV = 0x556be55834f0 "0"\0 | |
| CUR = 1 | |
| LEN = 10 | |
| perl-5.30.3 | |
| ========== | |
| SV = PVNV(0x562f1ff240f0) at 0x562f1ff47c40 | |
| REFCNT = 1 | |
| FLAGS = (IOK,NOK,POK,pIOK,pNOK,pPOK) | |
| IV = 0 | |
| NV = 0 | |
| PV = 0x562f1ff3a320 "0"\0 | |
| CUR = 1 | |
| LEN = 10 | |
| perl-5.28.3 | |
| ========== | |
| SV = PVNV(0x5582b7f080f0) at 0x5582b7f23720 | |
| REFCNT = 1 | |
| FLAGS = (IOK,NOK,POK,pIOK,pNOK,pPOK) | |
| IV = 0 | |
| NV = 0 | |
| PV = 0x5582b7f1d800 "0"\0 | |
| CUR = 1 | |
| LEN = 10 | |
| perl-5.26.3 | |
| ========== | |
| SV = IV(0x5649c7848988) at 0x5649c7848998 | |
| REFCNT = 1 | |
| FLAGS = (IOK,pIOK) | |
| IV = 0 |
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| $ perlbrew exec perl -MDevel::Peek -e 'Dump scalar(my @array)' | |
| perl-5.32.1 | |
| ========== | |
| SV = PVNV(0x558efdbb8050) at 0x558efd10e988 | |
| REFCNT = 2147483647 | |
| FLAGS = (PADTMP,IOK,NOK,POK,READONLY,PROTECT,pIOK,pNOK,pPOK) | |
| IV = 0 | |
| NV = 0 | |
| PV = 0x558efced63e1 "0" | |
| CUR = 1 | |
| LEN = 0 | |
| perl-5.30.3 | |
| ========== | |
| SV = PVNV(0x556eb1739050) at 0x556eb0ca8708 | |
| REFCNT = 2147483647 | |
| FLAGS = (PADTMP,IOK,NOK,POK,READONLY,PROTECT,pIOK,pNOK,pPOK) | |
| IV = 0 | |
| NV = 0 | |
| PV = 0x556eb0a71ae1 "0" | |
| CUR = 1 | |
| LEN = 0 | |
| perl-5.28.3 | |
| ========== | |
| SV = PVNV(0x5650010e5050) at 0x564fff81b768 | |
| REFCNT = 2147483647 | |
| FLAGS = (PADTMP,IOK,NOK,POK,READONLY,PROTECT,pIOK,pNOK,pPOK) | |
| IV = 0 | |
| NV = 0 | |
| PV = 0x564fff5ec1e1 "0" | |
| CUR = 1 | |
| LEN = 0 | |
| perl-5.26.3 | |
| ========== | |
| SV = IV(0x556f10b74180) at 0x556f10b74190 | |
| REFCNT = 1 | |
| FLAGS = (TEMP,IOK,pIOK) | |
| IV = 0 |
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| $ perlbrew exec perl -MDevel::Peek -e 'Dump scalar(@array)' | |
| perl-5.32.1 | |
| ========== | |
| SV = IV(0x561c8c98fd18) at 0x561c8c98fd28 | |
| REFCNT = 1 | |
| FLAGS = (PADTMP,IOK,pIOK) | |
| IV = 0 | |
| perl-5.30.3 | |
| ========== | |
| SV = IV(0x56456f35abe0) at 0x56456f35abf0 | |
| REFCNT = 1 | |
| FLAGS = (PADTMP,IOK,pIOK) | |
| IV = 0 | |
| perl-5.28.3 | |
| ========== | |
| SV = IV(0x5589fe2d56f0) at 0x5589fe2d5700 | |
| REFCNT = 1 | |
| FLAGS = (PADTMP,IOK,pIOK) | |
| IV = 0 | |
| perl-5.26.3 | |
| ========== | |
| SV = IV(0x55e223f9c978) at 0x55e223f9c988 | |
| REFCNT = 1 | |
| FLAGS = (PADTMP,IOK,pIOK) | |
| IV = 0 |
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The REFCNT of 2147483647 for
'Dump scalar(my @array)'vs REFCNT of 1 for'my $v = scalar(my @array); Dump($v);'is interesting.