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Rakudo Roadmap
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Last updated: 2015-05-22
This document serves as a guide to the major goals for Rakudo
development, as things stood in December 2011. They have been
roughly categorized. Each has been given a 1-3 priority
indicator, where 1 is "fairly pressing", 2 is "desirable",
and 3 is "wanted, but not a key goal right now". Each item
also has from one to five asterisks indicating the estimated
"degree of effort" required for the item.
A lower priority does not mean, "don't work on this". If you
want to hack on a priority 3 item, go right ahead. It is, after
all, wanted. And things that are priority 3 now will eventually
work their way up to the top anyway. Mostly, -Ofun.
Some items are marked with the names of people likely to either
work on them OR serve as a "contact person" for the goal. Again,
don't let a name already being against a goal stop you working
on it - though it would be wise that you check where the marked
person is at with it to avoid any duplicated effort, or to pick
up hints about how to jump in. :-)
Patches to this document are welcome - to add missing goals,
remove completed ones, re-prioritize, volunteer for a goal,
rescue yourself from a goal, etc.
Compiler Performance/Portability Improvements (jnthn)
3 ** Optimizing multis for `[+] 1..10` and `[<=] 1..10` etc.
Macros (masak)
2 ** hygienic macros and the COMPILING:: pseudopackage
2 **** "delayed" declarations of routines and types within quasiquotes
3 ? Textual macros
Operators
3 ** logical cascades
Regexes
2 ** ~~ inside regexes
2 * @< > (force a capture to be an array)
3 ** <*foo>
3 ** <~~0>, <~~foo>
3 *** explicit backtracking control (::, :::)
3 ** <cut> and <commit>
Built-ins/Data Structures
2 *** packed arrays (jnthn)
2 ** Rat/FatRat/Rational cleanup
2 ** sized/shaped arrays (jnthn)
2 *** val() (japhb)
2 ** Correct type smiley support (:U, :D, :T, etc.) (jnthn)
3 *** arrays with custom keys
3 *** complete Buf implementation (depends on 'is rw' native ints)
3 *** complete LoL and slice context implementation
3 *** Cat and stream matching
Language Features
2 * $=DATA and friends (tadzik)
2 ** module versioning (lizmat,FROGGS)
2 *** new syntax/semantics for coercion (jnthn)
2 ** Failure changes (japhb)
3 *** domain specific languages -- slang and grammar tweaks (FROGGS)
3 **** more advanced Perl 5 interop (lexical embedding, etc.) (FROGGS)
2 ** label handling using goto
2 ? leave for leading blocks
Optimizer (jnthn)
2 ** ro/rw variable tracking, related transforms
2 ** context/non-context variable tracking
2 *** :D/:U constraint tracking and integration with dispatch analysis
2 * topic preservation elimination on simple block inlines
Other things (to be organized into above groups)
3 ? AUTOLOAD, including possibly AUTOLOADING setting components
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