# warning is gone, this can change to ck_null.
scomplement string 1's complement (~) ck_bitop fsT1 S
-smartmatch smart match ck_smartmatch s2
+smartmatch smart match ck_null ifs2 S S
# High falutin' math.
method_redir redirect method with known name ck_null d.
method_redir_super redirect super method with known name ck_null d.
-entergiven given() ck_null d|
+entergiven given() ck_null d{
leavegiven leave given block ck_null 1
enterwhen when() ck_null d|
leavewhen leave when block ck_null 1