adds deprecation notice for *_append/prepend_once()

adds ucx_sstrcmp() compare function to utils.h

adds ucx_list_prepend_once() and ucx_list_prepend_once_a()

adds new shift operations for UcxBuffer (including tests and a usage example in modules.md)

(0) -100 -30 -10 -4 +4 +10 +30 +100 +300 tip

mercurial