1998-09-09 07:00:04 +00:00
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Tie Modules
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VecArray Implement array using vec()
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SubstrArray Implement array using substr()
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VirtualArray Implement array using a file
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ShiftSplice Defines shift et al in terms of splice method
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Would be nice to have
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pack "(stuff)*"
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Contiguous bitfields in pack/unpack
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lexperl
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Bundled perl preprocessor
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Use posix calls internally where possible
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1999-05-02 14:33:17 +00:00
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gettimeofday (possibly best left for a module?)
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1998-09-09 07:00:04 +00:00
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format BOTTOM
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-i rename file only when successfully changed
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All ARGV input should act like <>
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report HANDLE [formats].
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support in perlmain to rerun debugger
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regression tests using __DIE__ hook
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reference to compiled regexp
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lexically scoped functions: my sub foo { ... }
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lvalue functions
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regression/sanity tests for suidperl
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Full 64 bit support (i.e. "long long")
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1999-05-02 14:33:17 +00:00
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Generalise Errno way of extracting cpp symbols and use that in
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Errno and Fcntl (ExtUtils::CppSymbol?)
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1998-09-09 07:00:04 +00:00
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Possible pragmas
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debugger
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optimize (use less memory, CPU)
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Optimizations
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constant function cache
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switch structures
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eval qw() at compile time
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foreach(reverse...)
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Set KEEP on constant split
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Cache eval tree (unless lexical outer scope used (mark in &compiling?))
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rcatmaybe
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Shrink opcode tables via multiple implementations selected in peep
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Cache hash value? (Not a win, according to Guido)
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Optimize away @_ where possible
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"one pass" global destruction
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Optimize sort by { $a <=> $b }
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Rewrite regexp parser for better integrated optimization
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LRU cache of regexp: foreach $pat (@pats) { foo() if /$pat/ }
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Vague possibilities
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ref function in list context
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make tr/// return histogram in list context?
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Loop control on do{} et al
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Explicit switch statements
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built-in globbing
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compile to real threaded code
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structured types
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autocroak?
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Modifiable $1 et al
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