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Diffstat (limited to 'RELNOTES')
| -rw-r--r-- | RELNOTES | 43 |
1 files changed, 43 insertions, 0 deletions
@@ -1,3 +1,46 @@ + TXR 289 + 2023-07-02 + + + Features + + - TXR Pattern Language: + - New @(push) directive uses @(output) syntax to push lines + back into input. + + - Pattern Matching: + - New match-cond macro. + + - Lib: + - New cached sorting functions, for situations when a fairly expensive + keyfun is used for sorting. + + - Lisp: + - eval takes macro environment. + - integers and ranges are function-callable objects + - provides succinct indexed access in functional expressions, using + integers and ranges as higher-order functions. + + - Hash Tables: + - Switched from chained hashing to open-addressing with linear probing. + - New hash-map function: populate a hash with keys from a sequence, and + values from a function over those keys. + + Bugs + + - hash tables: bug in initial hash mask calculation, caused zero bits, + causing some chains not to be used, reducing efficiency. + + - gc bug in vector case of ssort function, causing crash. + + - equal: fix broken cases in equality substitution. + + - range objects were not treated as iterable in some situations, + for no good reason: e.g. (take 13 "AA".."BB") didn't work, + requiring (take 13 (list-seq "AA".."BB")) as a workaround. + + + TXR 288 2023-06-10 |