Macro: COMMON-LISP:DEFCONSTANT

package type clhs

Define a global constant, saying that the value is constant and may be compiled into code. If the variable already has a value, and this is not EQL to the new value, the code is not portable (undefined behavior). The third argument is an optional documentation string for the variable.

Lambda list

(sb-impl::name sb-impl::value &optional sb-impl::doc)