5.3.26 return [Macro]

return [result] ⇒ #<NoValue>

Arguments and Values::

result—a form; evaluated. The default is nil.

Description::

Returns, as if by return-from, from the block named nil.

Examples::

 (block nil (return) 1) ⇒  NIL
 (block nil (return 1) 2) ⇒  1
 (block nil (return (values 1 2)) 3) ⇒  1, 2
 (block nil (block alpha (return 1) 2)) ⇒  1
 (block alpha (block nil (return 1)) 2) ⇒  2
 (block nil (block nil (return 1) 2)) ⇒  1

See Also::

block , return-from , Evaluation

Notes::

 (return) ≡ (return-from nil)
 (return form) ≡ (return-from nil form)

The implicit blocks established by macros such as do are often named nil, so that return can be used to exit from such forms.