use a vtable approach for generic map interface

[nbds] / todo

diff --git a/todo b/todo
index ab8c0db4bca300fbedcd8a5e6e4a9af0a1c0dc88..372b4f7623b3141cb86dd286e95632239bc522f9 100644 (file)
--- a/todo
+++ b/todo
@@ -2,4 +2,9 @@
 - fix makefile to compute dependency info as a side-effect of compilation (-MF)
 - investigate 16 byte CAS; ht can store GUIDs inline instead of pointers to actual keys 
 - test ht
-- optimize tracing code, still too much overhead
++ optimize tracing code, still too much overhead
++ use NULL instead of a sentinal node in skiplist and list
+- make interfaces for all data structures consistent 
++ make list and skiplist use string keys
++ optimize integer keys
+- ht_print()