Value: do { \
if ( ! (be)->cb || ! (be)->cb->method ) \
lwerror("Callback " # method " not registered by backend"); \
} while (0)
Definition at line 72 of file lwgeom_topo.c.
72 { \
73 if ( ! (be)->cb || ! (be)->cb->method ) \
74 lwerror("Callback " # method " not registered by backend"); \
75} while (0)