diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/txr/stdlib/place.tl | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/share/txr/stdlib/place.tl b/share/txr/stdlib/place.tl index 101deb1e..eb827fd4 100644 --- a/share/txr/stdlib/place.tl +++ b/share/txr/stdlib/place.tl @@ -561,6 +561,18 @@ ^(remhash ,',hash ,',key)))) ,body))) +(defplace (hash-userdata hash) body + (getter setter + (with-gensyms (hash-sym) + ^(slet ((,hash-sym ,hash)) + (macrolet ((,getter () ^(hash-userdata ,',hash-sym)) + (,setter (val) ^(set-hash-userdata ,',hash-sym ,val))) + ,body)))) + (ssetter + ^(macrolet ((,ssetter (val) + ^(set-hash-userdata ,',hash ,val))) + ,body))) + (defplace (dwim obj-place index : (default nil have-default-p) :env env) body (getter setter (with-gensyms (ogetter-sym osetter-sym obj-sym |