Function: COMMON-LISP:SET-MACRO-CHARACTER¶
Causes CHAR to be a macro character which invokes FUNCTION when seen by the reader. The NON-TERMINATINGP flag can be used to make the macro character non-terminating, i.e. embeddable in a symbol name.
Lambda list¶
(char function &optional sb-impl::non-terminatingp sb-impl::rt-designator)