remove convenience macros

add tests for high level functions

add convenience macros for pointer casts

fix bad start index in cx_ll_node_at()

change cx_linked_list_last() and add a test for it

change test names

remove unused cx_tree_last()

(0) -300 -100 -30 -10 -7 +7 +10 +30 +100 +300 tip

mercurial