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| author | Paul Eggert <eggert@cs.ucla.edu> | 2022-05-11 10:13:09 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2022-05-11 10:18:12 -0700 |
| commit | 4f27e4ff02d9d96b5cfbd196dd724e4a056cd8ef (patch) | |
| tree | 10075770ba0daf732360fe37b379b9e78414937b /src/eval.c | |
| parent | 678e05e851af9e5b1fdc50d7d2a661b33ad663d5 (diff) | |
functionp doc improvement
* doc/lispref/eval.texi, doc/lispref/functions.texi, src/eval.c:
Document functionp a bit more carefully. It can return t
on non-functions.
Diffstat (limited to 'src/eval.c')
| -rw-r--r-- | src/eval.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/eval.c b/src/eval.c index 950338bf799..29c122e2fb2 100644 --- a/src/eval.c +++ b/src/eval.c @@ -2805,9 +2805,11 @@ apply1 (Lisp_Object fn, Lisp_Object arg) DEFUN ("functionp", Ffunctionp, Sfunctionp, 1, 1, 0, doc: /* Return t if OBJECT is a function. -An object is a function if it is callable via `funcall'; -this includes primitive functions, byte-code functions, closures, and -symbols with function bindings. */) +An object is a function if it is callable via `funcall'; this includes +symbols with function bindings, but excludes macros and special forms. + +Ordinarily return nil if OBJECT is not a function, although t might be +returned in rare cases. */) (Lisp_Object object) { if (FUNCTIONP (object)) |