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| {{header|docs}} | | {{header|docs}}{{Docs_beat_open}} |
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| = Perl =
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| == Perl updated to 5.16 ==
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| Perl 5.16 introduces a number of significant changes:
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| === New Features ===
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| * Unicode 6.1
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| * More consistent ''eval'' controlled with ''unicode_eval'' and ''evalbytes'' feature
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| * 2- and 3-argument ''substr'' called in left-value context is evaluted even after changing original string
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| * New ''T_*REF_REFCOUNT_FIXED'' XS typemap fixing reference counter decremetion
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| * New ''is_utf8_char_buf'' XS-callable function replaces broken ''is_utf8_char'' function
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| * ''$$'' variable is writable
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| * Improved debugger: tracing mode can be restricted to certain level, breakpoints can be disabled temporarily, breakpoints can be set by file name
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| * ''sort'' subroutines can be autoloaded
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| * ''$['' variable is provided by ''arybase'' module
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| * mmaped PerlIO layer is now a separate module ''PerlIO::mmap''
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| === Deprecated Features ===
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| * Accessing Unicode database files directly is deprecated now; use ''Unicode::UCD'' instead
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| * ''Version::Requirements'' is deprecated in favor of ''CPAN::Meta::Requirements''
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| === Incompatible Changes ===
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| * Special blocks (e.g. ''BEGIN'') are called in void context
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| * Unoverloaded stringification of regular expression does not return the expression literal
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| * ''T_DATAUNIT'' and ''T_CALLBACK'' XS typemaps removed
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| * User defined case-changing has been removed in favor of ''Unicode::Casing''
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| * XSUB C functions are static now and they are not exported from their object files
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| * Read-only references cannot be weaken
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| * ''$$'', ''$<'', ''$>'', ''$('', and ''$)'' do not cache their value
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| * ''Devel::DProf'', ''Shell'' have been removed from Perl core
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| * perl4 libraries removed: abbrev.pl, assert.pl, bigfloat.pl, bigint.pl, bigrat.pl, cacheout.pl, complete.pl, ctime.pl, dotsh.pl, exceptions.pl, fastcwd.pl, flush.pl, getcwd.pl, getopt.pl, getopts.pl, hostname.pl, importenv.pl, lib/find{,depth}.pl, look.pl, newgetopt.pl, open2.pl, open3.pl, pwd.pl, hellwords.pl, stat.pl, tainted.pl, termcap.pl, timelocal.pl
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| = Clojure joined by leiningen and tools =
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| Fedora 18 now ships a more complete Clojure programming stack, including the build tool Leiningen. This will make it easier to package other Clojure libraries in the future.
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| [[Category:Docs Project]] | | [[Category:Docs Project]] |
| [[Category:Draft documentation]] | | [[Category:Draft documentation]] |
| [[Category:Documentation beats]] | | [[Category:Documentation beats]] |
