Assertion: lisp's function | /r/CapableOf | return nil
Facets:
value: always
type: DEGREE
value: in this case
type: TEMPORAL
Source sentences:
text: If no such item is found, then the functions returns nil.
text: Some of the sequence functions correspond to functions from Scheme and CL that there manipulated only pairs/conses ('lists') and returned sentinel values ('() and nil) that represented 'empty' lists.
text: The second argument to return-from is optional, which means that it can be called with only one argument - in this case the function would return nil.
text: Since the lambda has dotimes as the last form in its body, the whole function always returns nil .