This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
add Data-Dumper, up patchlevel to 71, various misc tweaks to
[perl5.git] / Todo
CommitLineData
8990e307
LW
1Tie Modules
2 VecArray Implement array using vec()
3 SubstrArray Implement array using substr()
4 VirtualArray Implement array using a file
5 ShiftSplice Defines shift et al in terms of splice method
93a17b20 6
8990e307 7Would be nice to have
463ee0b2 8 pack "(stuff)*"
85e6fe83 9 Contiguous bitfields in pack/unpack
463ee0b2
LW
10 lexperl
11 Bundled perl preprocessor
8990e307 12 Use posix calls internally where possible
8990e307 13 gettimeofday
8990e307 14 format BOTTOM
8990e307 15 -iprefix.
2304df62 16 -i rename file only when successfully changed
8990e307 17 All ARGV input should act like <>
2304df62 18 report HANDLE [formats].
a0d0e21e 19 support in perlmain to rerun debugger
aa00cc68
TB
20 regression tests using __DIE__ hook
21 reference to compiled regexp
22 lexically scoped functions: my sub foo { ... }
23 lvalue functions
7b8d334a 24 regression/sanity tests for suidperl
6ee623d5 25 Full 64 bit support (i.e. "long long")
8990e307 26
a0d0e21e 27Possible pragmas
85e6fe83 28 debugger
a0d0e21e 29 optimize (use less memory, CPU)
463ee0b2
LW
30
31Optimizations
a0d0e21e
LW
32 constant function cache
33 switch structures
4633a7c4 34 eval qw() at compile time
a0d0e21e 35 foreach(reverse...)
463ee0b2
LW
36 Set KEEP on constant split
37 Cache eval tree (unless lexical outer scope used (mark in &compiling?))
38 rcatmaybe
39 Shrink opcode tables via multiple implementations selected in peep
a0d0e21e 40 Cache hash value? (Not a win, according to Guido)
ed6116ce 41 Optimize away @_ where possible
8990e307 42 "one pass" global destruction
2304df62 43 Optimize sort by { $a <=> $b }
a0d0e21e 44 Rewrite regexp parser for better integrated optimization
aa00cc68 45 LRU cache of regexp: foreach $pat (@pats) { foo() if /$pat/ }
463ee0b2 46
a0d0e21e 47Vague possibilities
8990e307 48 ref function in list context
463ee0b2 49 make tr/// return histogram in list context?
463ee0b2
LW
50 Loop control on do{} et al
51 Explicit switch statements
463ee0b2
LW
52 built-in globbing
53 compile to real threaded code
54 structured types
85e6fe83 55 autocroak?
a0d0e21e 56 Modifiable $1 et al
a0d0e21e 57