Function: interpreted-function-p
interpreted-function-p is a function defined in data.c.
Signature
(interpreted-function-p OBJECT)
Documentation
Return t if OBJECT is a function of type interpreted-function.
Probably introduced at or before Emacs version 30.1.
Source Code
// Defined in /usr/src/emacs/src/data.c
{
if (CLOSUREP (object) && CONSP (AREF (object, CLOSURE_CODE)))
return Qt;
return Qnil;
}