Profile of Exporter.pm

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NYTProf Performance Profile «line view»
For t/bug-md-11.t
Run on Fri Mar 8 13:27:24 2024
Reported on Fri Mar 8 13:30:23 2024

Filename | /home/micha/.plenv/versions/5.38.2/lib/perl5/site_perl/5.38.2/Exporter.pm
Statements | Executed 1901 statements in 4.47ms

Subroutines
Calls | P | F | Exclusive Time | Inclusive Time | Subroutine
--- | --- | --- | --- | --- | ---
125 | 124 | 63 | 3.48ms | 4.71ms | Exporter::::importExporter::import
17 | 4 | 1 | 1.20ms | 1.27ms | Exporter::::as_heavyExporter::as_heavy
12 | 2 | 2 | 22µs | 88µs | Exporter::::exportExporter::export
1 | 1 | 1 | 11µs | 12µs | Exporter::::BEGIN@3Exporter::BEGIN@3
3 | 1 | 1 | 7µs | 1.20ms | Exporter::::export_to_levelExporter::export_to_level
1 | 1 | 1 | 4µs | 15µs | Exporter::::export_tagsExporter::export_tags
1 | 1 | 1 | 4µs | 8µs | Exporter::::BEGIN@4Exporter::BEGIN@4
1 | 1 | 1 | 3µs | 12µs | Exporter::::export_ok_tagsExporter::export_ok_tags
0 | 0 | 0 | 0s | 0s | Exporter::::__ANON__[:61]Exporter::__ANON__[:61]
0 | 0 | 0 | 0s | 0s | Exporter::::export_failExporter::export_fail
0 | 0 | 0 | 0s | 0s | Exporter::::require_versionExporter::require_version

Call graph for these subroutines as a Graphviz dot language file.

Line | State ments | Time on line | Calls | Time in subs | Code
--- | --- | --- | --- | --- | ---
1 |  |  |  |  | package Exporter;
2 |  |  |  |  |
3 | 2 | 22µs | 2 | 14µs | # spent 12µs (11+2) within Exporter::BEGIN@3 which was called: # once (11µs+2µs) by Test::Builder::BEGIN@15 at line 3 use strict; # spent 12µs making 1 call to Exporter::BEGIN@3 # spent 2µs making 1 call to strict::import
4 | 2 | 402µs | 2 | 12µs | # spent 8µs (4+4) within Exporter::BEGIN@4 which was called: # once (4µs+4µs) by Test::Builder::BEGIN@15 at line 4 no strict 'refs'; # spent 8µs making 1 call to Exporter::BEGIN@4 # spent 4µs making 1 call to strict::unimport
5 |  |  |  |  |
6 | 1 | 200ns |  |  | our $Debug = 0;
7 | 1 | 100ns |  |  | our $ExportLevel = 0;
8 | 1 | 100ns |  |  | our $Verbose ||= 0;
9 | 1 | 200ns |  |  | our $VERSION = '5.78';
10 |  |  |  |  | our %Cache;
11 |  |  |  |  |
12 |  |  |  |  | # spent 1.27ms (1.20+72µs) within Exporter::as_heavy which was called 17 times, avg 75µs/call: # 12 times (47µs+20µs) by Exporter::export at line 22, avg 6µs/call # 3 times (1.14ms+48µs) by Exporter::export_to_level at line 78, avg 396µs/call # once (8µs+3µs) by Exporter::export_tags at line 82 # once (6µs+2µs) by Exporter::export_ok_tags at line 86 sub as_heavy {
13 | 17 | 60µs |  |  | require Exporter::Heavy;
14 |  |  |  |  | # Unfortunately, this does not work if the caller is aliased as *name = \&foo
15 |  |  |  |  | # Thus the need to create a lot of identical subroutines
16 | 17 | 26µs |  |  | my $c = (caller(1))[3];
17 | 17 | 56µs | 17 | 32µs | $c =~ s/.*:://; # spent 32µs making 17 calls to CORE::subst, avg 2µs/call
18 | 17 | 34µs |  |  | \&{"Exporter::Heavy::heavy_$c"};
19 |  |  |  |  | }
20 |  |  |  |  |
21 |  |  |  |  | # spent 88µs (22+66) within Exporter::export which was called 12 times, avg 7µs/call: # 9 times (17µs+55µs) by Exporter::import at line 59, avg 8µs/call # 3 times (5µs+11µs) by Exporter::Heavy::heavy_export_to_level at line 219 of Exporter/Heavy.pm, avg 5µs/call sub export {
22 | 12 | 29µs | 24 | 1.15ms | goto &{as_heavy()}; # spent 1.08ms making 12 calls to Exporter::Heavy::heavy_export, avg 90µs/call # spent 66µs making 12 calls to Exporter::as_heavy, avg 6µs/call
23 |  |  |  |  | }
24 |  |  |  |  |
25 |  |  |  |  | # spent 4.71ms (3.48+1.23) within Exporter::import which was called 125 times, avg 38µs/call: # 2 times (55µs+5µs) by OLE::Storage_Lite::BEGIN@831 or Test2::Hub::BEGIN@12 at line 39 of List/Util.pm, avg 30µs/call # once (527µs+31µs) by POSIX::import at line 192 of POSIX.pm # once (81µs+163µs) by Archive::Zip::Archive::BEGIN@21 at line 21 of Archive/Zip/Archive.pm # once (11µs+226µs) by Archive::Zip::Member::BEGIN@19 at line 19 of Archive/Zip/Member.pm # once (184µs+9µs) by POSIX::BEGIN@11 at line 11 of POSIX.pm # once (10µs+160µs) by Archive::Zip::ZipFileMember::BEGIN@11 at line 11 of Archive/Zip/ZipFileMember.pm # once (140µs+7µs) by OLE::Storage_Lite::PPS::Root::BEGIN@171 at line 171 of OLE/Storage_Lite.pm # once (12µs+129µs) by XML::Twig::BEGIN@1 at line 1 of (eval 14)[XML/Twig.pm:159] # once (112µs+7µs) by File::Temp::BEGIN@150 at line 150 of File/Temp.pm # once (10µs+108µs) by Archive::Zip::NewFileMember::BEGIN@11 at line 11 of Archive/Zip/NewFileMember.pm # once (80µs+5µs) by Test::Builder::Module::import at line 95 of Test/Builder/Module.pm # once (10µs+75µs) by Archive::Zip::StringMember::BEGIN@11 at line 11 of Archive/Zip/StringMember.pm # once (10µs+72µs) by Archive::Zip::DirectoryMember::BEGIN@13 at line 13 of Archive/Zip/DirectoryMember.pm # once (72µs+7µs) by Test::Builder::BEGIN@18 at line 18 of Test/Builder.pm # once (65µs+5µs) by Archive::Zip::BEGIN@12 at line 39 of FileHandle.pm # once (66µs+3µs) by Archive::Zip::BEGIN@7 at line 138 of IO/File.pm # once (63µs+4µs) by OLE::Storage_Lite::PPS::Root::BEGIN@169 at line 169 of OLE/Storage_Lite.pm # once (10µs+56µs) by Archive::Zip::FileMember::BEGIN@11 at line 11 of Archive/Zip/FileMember.pm # once (58µs+5µs) by Archive::Zip::Member::BEGIN@28 at line 28 of Archive/Zip/Member.pm # once (58µs+4µs) by OLE::Storage_Lite::BEGIN@830 at line 830 of OLE/Storage_Lite.pm # once (11µs+48µs) by Storable::BEGIN@83 at line 84 of Storable.pm # once (52µs+4µs) by Spreadsheet::ParseExcel::BEGIN@23 at line 23 of Spreadsheet/ParseExcel.pm # once (43µs+4µs) by Archive::Zip::Archive::BEGIN@12 at line 12 of Archive/Zip/Archive.pm # once (43µs+2µs) by Test2::Event::V2::BEGIN@12 at line 12 of Test2/Event/V2.pm # once (41µs+2µs) by Test2::Hub::BEGIN@14 at line 14 of Test2/Hub.pm # once (39µs+2µs) by Test::Builder::BEGIN@15 at line 15 of Test/Builder.pm # once (37µs+3µs) by Spreadsheet::ParseXLSX::BEGIN@12 at line 12 of /home/micha/Projekt/spreadsheet-parsexlsx/lib/Spreadsheet/ParseXLSX.pm # once (36µs+3µs) by Test::Builder::BEGIN@17 at line 17 of Test/Builder.pm # once (32µs+1µs) by Compress::Raw::Zlib::BEGIN@6 at line 6 of Compress/Raw/Zlib.pm # once (32µs+1µs) by Test2::Event::BEGIN@7 at line 7 of Test2/Event.pm # once (30µs+1µs) by Test2::EventFacet::Parent::BEGIN@7 at line 7 of Test2/EventFacet/Parent.pm # once (30µs+1µs) by Test2::API::Instance::BEGIN@11 at line 11 of Test2/API/Instance.pm # once (28µs+1000ns) by Archive::Zip::DirectoryMember::BEGIN@4 at line 4 of Archive/Zip/DirectoryMember.pm # once (25µs+2µs) by Test2::Util::BEGIN@9 at line 9 of Test2/Util.pm # once (26µs+800ns) by Test2::Hub::BEGIN@9 at line 9 of Test2/Hub.pm # once (24µs+1µs) by Spreadsheet::ParseExcel::FmtDefault::BEGIN@22 at line 22 of Spreadsheet/ParseExcel/FmtDefault.pm # once (22µs+2µs) by File::Path::BEGIN@6 at line 6 of File/Path.pm # once (22µs+1µs) by Tie::Hash::BEGIN@190 at line 190 of Tie/Hash.pm # once (23µs+900ns) by OLE::Storage_Lite::BEGIN@829 at line 829 of OLE/Storage_Lite.pm # once (22µs+1µs) by XML::Twig::Elt::BEGIN@5082 at line 5082 of XML/Twig.pm # once (22µs+1µs) by IO::File::BEGIN@122 at line 122 of IO/File.pm # once (22µs+1µs) by File::Temp::BEGIN@146 at line 146 of File/Temp.pm # once (21µs+1µs) by Test2::Hub::BEGIN@8 at line 8 of Test2/Hub.pm # once (22µs+1µs) by IO::Handle::BEGIN@273 at line 273 of IO/Handle.pm # once (21µs+1µs) by Test2::API::BEGIN@102 at line 102 of Test2/API.pm # once (21µs+1µs) by File::Temp::BEGIN@149 at line 149 of File/Temp.pm # once (21µs+1µs) by Archive::Zip::Archive::BEGIN@10 at line 10 of Archive/Zip/Archive.pm # once (21µs+1µs) by XML::Parser::ExpatNB::BEGIN@600 at line 600 of XML/Parser/Expat.pm # once (20µs+1µs) by Storable::BEGIN@42 at line 42 of Storable.pm # once (20µs+1µs) by IO::File::BEGIN@121 at line 121 of IO/File.pm # once (20µs+1000ns) by XML::Parser::BEGIN@15 at line 15 of XML/Parser.pm # once (19µs+1µs) by Test2::API::Context::BEGIN@8 at line 8 of Test2/API/Context.pm # once (19µs+1µs) by IO::Seekable::BEGIN@103 at line 103 of IO/Seekable.pm # once (19µs+1000ns) by Crypt::Cipher::BEGIN@7 at line 7 of Crypt/Cipher.pm # once (19µs+1µs) by Test2::EventFacet::Trace::BEGIN@9 at line 9 of Test2/EventFacet/Trace.pm # once (19µs+1µs) by Test2::API::Context::BEGIN@25 at line 25 of Test2/API/Context.pm # once (19µs+800ns) by SelectSaver::BEGIN@38 at line 38 of SelectSaver.pm # once (19µs+800ns) by IO::BEGIN@6 at line 6 of IO.pm # once (19µs+1µs) by Test2::API::Instance::BEGIN@8 at line 8 of Test2/API/Instance.pm # once (19µs+900ns) by IO::Seekable::BEGIN@98 at line 98 of IO/Seekable.pm # once (19µs+1000ns) by Encode::BEGIN@56 at line 56 of Encode.pm # once (18µs+1µs) by Test2::Event::BEGIN@11 at line 11 of Test2/Event.pm # once (19µs+700ns) by XML::Twig::BEGIN@29 at line 29 of XML/Twig.pm # once (18µs+1µs) by Test2::API::Stack::BEGIN@10 at line 10 of Test2/API/Stack.pm # once (18µs+1µs) by Graphics::ColorUtils::BEGIN@8 at line 8 of Graphics/ColorUtils.pm # once (18µs+1µs) by JSON::PP::BEGIN@15 at line 15 of JSON/PP.pm # once (18µs+800ns) by IO::File::BEGIN@124 at line 124 of IO/File.pm # once (17µs+1000ns) by Test2::Util::Facets2Legacy::BEGIN@7 at line 7 of Test2/Util/Facets2Legacy.pm # once (17µs+1µs) by Archive::Zip::Archive::BEGIN@6 at line 6 of Archive/Zip/Archive.pm # once (17µs+1µs) by Spreadsheet::ParseExcel::BEGIN@22 at line 22 of Spreadsheet/ParseExcel.pm # once (17µs+1µs) by Test2::EventFacet::BEGIN@8 at line 8 of Test2/EventFacet.pm # once (17µs+800ns) by CryptX::BEGIN@10 at line 10 of CryptX.pm # once (17µs+900ns) by XML::Parser::Expat::BEGIN@8 at line 8 of XML/Parser/Expat.pm # once (16µs+1µs) by OLE::Storage_Lite::BEGIN@832 at line 832 of OLE/Storage_Lite.pm # once (16µs+1µs) by File::Temp::Dir::BEGIN@2601 at line 2601 of File/Temp.pm # once (16µs+700ns) by Archive::Zip::Archive::BEGIN@11 at line 11 of Archive/Zip/Archive.pm # once (16µs+700ns) by Spreadsheet::ParseExcel::BEGIN@26 at line 26 of Spreadsheet/ParseExcel.pm # once (16µs+1µs) by Test2::API::Context::BEGIN@10 at line 10 of Test2/API/Context.pm # once (16µs+700ns) by IO::Handle::BEGIN@274 at line 274 of IO/Handle.pm # once (16µs+1µs) by Test2::Event::V2::BEGIN@7 at line 7 of Test2/Event/V2.pm # once (16µs+700ns) by XML::Twig::BEGIN@31 at line 31 of XML/Twig.pm # once (16µs+1µs) by Test2::Event::Plan::BEGIN@11 at line 11 of Test2/Event/Plan.pm # once (16µs+700ns) by SelectSaver::BEGIN@39 at line 39 of SelectSaver.pm # once (16µs+500ns) by Digest::SHA::BEGIN@8 at line 8 of Digest/SHA.pm # once (15µs+800ns) by XML::Twig::Elt::BEGIN@5096 at line 5157 of XML/Twig.pm # once (15µs+900ns) by Test2::Hub::Subtest::BEGIN@9 at line 9 of Test2/Hub/Subtest.pm # once (15µs+800ns) by Test2::Util::ExternalMeta::BEGIN@8 at line 8 of Test2/Util/ExternalMeta.pm # once (14µs+700ns) by Archive::Zip::Member::BEGIN@30 at line 30 of Archive/Zip/Member.pm # once (14µs+800ns) by Test2::API::BEGIN@104 at line 104 of Test2/API.pm # once (14µs+800ns) by Spreadsheet::ParseExcel::Worksheet::BEGIN@21 at line 21 of Spreadsheet/ParseExcel/Worksheet.pm # once (14µs+800ns) by Test2::Formatter::TAP::BEGIN@7 at line 7 of Test2/Formatter/TAP.pm # once (14µs+700ns) by Test2::API::Context::BEGIN@9 at line 9 of Test2/API/Context.pm # once (14µs+800ns) by Test2::API::BEGIN@6 at line 6 of Test2/API.pm # once (14µs+400ns) by Digest::SHA::BEGIN@9 at line 9 of Digest/SHA.pm # once (14µs+600ns) by Test2::Event::BEGIN@8 at line 8 of Test2/Event.pm # once (13µs+600ns) by Test2::API::BEGIN@103 at line 103 of Test2/API.pm # once (13µs+1000ns) by File::Temp::BEGIN@153 at line 153 of File/Temp.pm # once (13µs+700ns) by File::Temp::BEGIN@151 at line 151 of File/Temp.pm # once (13µs+500ns) by Archive::Zip::Member::BEGIN@29 at line 29 of Archive/Zip/Member.pm # once (13µs+500ns) by Test2::EventFacet::Trace::BEGIN@11 at line 11 of Test2/EventFacet/Trace.pm # once (13µs+700ns) by XML::Twig::BEGIN@148 at line 168 of XML/Twig.pm # once (13µs+0s) by Cwd::BEGIN@3 at line 3 of Cwd.pm # once (12µs+600ns) by Test2::Event::V2::BEGIN@8 at line 8 of Test2/Event/V2.pm # once (12µs+500ns) by Test2::Event::BEGIN@12 at line 12 of Test2/Event.pm # once (12µs+0s) by File::Temp::BEGIN@152 at line 152 of File/Temp.pm # once (12µs+500ns) by Test2::API::Instance::BEGIN@9 at line 9 of Test2/API/Instance.pm # once (11µs+500ns) by Spreadsheet::ParseXLSX::BEGIN@13 at line 13 of /home/micha/Projekt/spreadsheet-parsexlsx/lib/Spreadsheet/ParseXLSX.pm # once (11µs+600ns) by Test2::Util::Facets2Legacy::BEGIN@8 at line 8 of Test2/Util/Facets2Legacy.pm # once (12µs+0s) by Spreadsheet::ParseExcel::BEGIN@27 at line 27 of Spreadsheet/ParseExcel.pm # once (11µs+0s) by Spreadsheet::ParseXLSX::Decryptor::BEGIN@16 at line 16 of /home/micha/Projekt/spreadsheet-parsexlsx/lib/Spreadsheet/ParseXLSX/Decryptor.pm # once (10µs+400ns) by Test2::Hub::BEGIN@11 at line 11 of Test2/Hub.pm # once (10µs+0s) by Spreadsheet::ParseXLSX::BEGIN@11 at line 11 of /home/micha/Projekt/spreadsheet-parsexlsx/lib/Spreadsheet/ParseXLSX.pm # once (9µs+0s) by Spreadsheet::ParseExcel::BEGIN@21 at line 21 of Spreadsheet/ParseExcel.pm # once (9µs+0s) by Time::Local::BEGIN@6 at line 6 of Time/Local.pm # once (8µs+0s) by Digest::Perl::MD5::BEGIN@4 at line 4 of Digest/Perl/MD5.pm # once (8µs+0s) by JSON::BEGIN@6 at line 6 of JSON.pm # once (7µs+0s) by OLE::Storage_Lite::PPS::Root::BEGIN@170 at line 170 of OLE/Storage_Lite.pm # once (5µs+0s) by Fcntl::BEGIN@60 at line 60 of Fcntl.pm # once (4µs+0s) by URI::Escape::BEGIN@147 at line 147 of URI/Escape.pm # once (4µs+0s) by Errno::BEGIN@8 at line 8 of Errno.pm # once (4µs+0s) by Encode::BEGIN@15 at line 15 of Encode.pm # once (4µs+0s) by File::Find::BEGIN@7 at line 7 of File/Find.pm # once (4µs+0s) by File::Temp::BEGIN@176 at line 176 of File/Temp.pm # once (4µs+0s) by Encode::Alias::BEGIN@7 at line 7 of Encode/Alias.pm sub import {
26 | 125 | 32µs |  |  | my $pkg = shift;
27 | 125 | 53µs |  |  | my $callpkg = caller($ExportLevel);
28 |  |  |  |  |
29 | 125 | 38µs |  |  | if ($pkg eq "Exporter" and @_ and $_[0] eq "import") {
30 | 7 | 14µs |  |  | *{$callpkg."::import"} = \&import;
31 | 7 | 14µs |  |  | return;
32 |  |  |  |  | }
33 |  |  |  |  |
34 |  |  |  |  | # We *need* to treat @{"$pkg\::EXPORT_FAIL"} since Carp uses it :-(
35 | 118 | 122µs |  |  | my $exports = \@{"$pkg\::EXPORT"};
36 |  |  |  |  | # But, avoid creating things if they don't exist, which saves a couple of
37 |  |  |  |  | # hundred bytes per package processed.
38 | 118 | 84µs |  |  | my $fail = ${$pkg . '::'}{EXPORT_FAIL} && \@{"$pkg\::EXPORT_FAIL"};
39 | 118 | 61µs |  |  | return export $pkg, $callpkg, @_
40 |  |  |  |  | if $Verbose or $Debug or $fail && @$fail > 1;
41 | 118 | 46µs |  |  | my $export_cache = ($Cache{$pkg} ||= {});
42 | 118 | 80µs |  |  | my $args = @_ or @_ = @$exports;
43 |  |  |  |  |
44 | 118 | 31µs |  |  | if ($args and not %$export_cache) {
45 |  |  |  |  | s/^&//, $export_cache->{$_} = 1
46 | 20 | 1.08ms | 1359 | 72µs | foreach (@$exports, @{"$pkg\::EXPORT_OK"}); # spent 72µs making 1359 calls to CORE::subst, avg 53ns/call
47 |  |  |  |  | }
48 | 118 | 10µs |  |  | my $heavy;
49 |  |  |  |  | # Try very hard not to use {} and hence have to enter scope on the foreach
50 |  |  |  |  | # We bomb out of the loop with last as soon as heavy is set.
51 | 118 | 44µs |  |  | if ($args or $fail) {
52 |  |  |  |  | ($heavy = (/\W/ or $args and not exists $export_cache->{$_}
53 |  |  |  |  | or $fail and @$fail and $_ eq $fail->[0])) and last
54 | 91 | 565µs | 368 | 100µs | foreach (@_); # spent 100µs making 368 calls to CORE::match, avg 271ns/call
55 |  |  |  |  | } else {
56 |  |  |  |  | ($heavy = /\W/) and last
57 | 27 | 196µs | 213 | 31µs | foreach (@_); # spent 31µs making 213 calls to CORE::match, avg 146ns/call
58 |  |  |  |  | }
59 | 118 | 44µs | 9 | 72µs | return export $pkg, $callpkg, ($args ? @_ : ()) if $heavy; # spent 72µs making 9 calls to Exporter::export, avg 8µs/call
60 |  |  |  |  | local $SIG{__WARN__} =
61 | 109 | 264µs |  |  | sub {require Carp; &Carp::carp} if not $SIG{__WARN__};
62 |  |  |  |  | # shortcut for the common case of no type character
63 | 109 | 1.04ms |  |  | *{"$callpkg\::$_"} = \&{"$pkg\::$_"} foreach @_;
64 |  |  |  |  | }
65 |  |  |  |  |
66 |  |  |  |  | # Default methods
67 |  |  |  |  |
68 |  |  |  |  | sub export_fail {
69 |  |  |  |  | my $self = shift;
70 |  |  |  |  | @_;
71 |  |  |  |  | }
72 |  |  |  |  |
73 |  |  |  |  | # Unfortunately, caller(1)[3] "does not work" if the caller is aliased as
74 |  |  |  |  | # *name = \&foo. Thus the need to create a lot of identical subroutines
75 |  |  |  |  | # Otherwise we could have aliased them to export().
76 |  |  |  |  |
77 |  |  |  |  | # spent 1.20ms (7µs+1.19) within Exporter::export_to_level which was called 3 times, avg 399µs/call: # 3 times (7µs+1.19ms) by Time::HiRes::import at line 91 of Time/HiRes.pm, avg 399µs/call sub export_to_level {
78 | 3 | 9µs | 6 | 1.35ms | goto &{as_heavy()}; # spent 1.19ms making 3 calls to Exporter::as_heavy, avg 396µs/call # spent 161µs making 3 calls to Exporter::Heavy::heavy_export_to_level, avg 54µs/call
79 |  |  |  |  | }
80 |  |  |  |  |
81 |  |  |  |  | # spent 15µs (4+11) within Exporter::export_tags which was called: # once (4µs+11µs) by Archive::Zip::BEGIN@11 at line 205 of File/Temp.pm sub export_tags {
82 | 1 | 4µs | 2 | 24µs | goto &{as_heavy()}; # spent 14µs making 1 call to Exporter::Heavy::heavy_export_tags # spent 11µs making 1 call to Exporter::as_heavy
83 |  |  |  |  | }
84 |  |  |  |  |
85 |  |  |  |  | # spent 12µs (3+8) within Exporter::export_ok_tags which was called: # once (3µs+8µs) by Archive::Zip::BEGIN@37 at line 173 of Archive/Zip.pm sub export_ok_tags {
86 | 1 | 4µs | 2 | 32µs | goto &{as_heavy()}; # spent 24µs making 1 call to Exporter::Heavy::heavy_export_ok_tags # spent 8µs making 1 call to Exporter::as_heavy
87 |  |  |  |  | }
88 |  |  |  |  |
89 |  |  |  |  | sub require_version {
90 |  |  |  |  | goto &{as_heavy()};
91 |  |  |  |  | }
92 |  |  |  |  |
93 | 1 | 3µs |  |  | 1;
94 |  |  |  |  | __END__