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| author | Basil L. Contovounesios <contovob@tcd.ie> | 2019-04-17 16:34:47 +0100 |
|---|---|---|
| committer | Basil L. Contovounesios <contovob@tcd.ie> | 2019-04-22 13:48:20 +0100 |
| commit | 4430a9b54fca266e48d0eb8b72d83706910f10b8 (patch) | |
| tree | 182029118aaac0c6702ac50dc787a3e0c952b891 /doc/lispref/eval.texi | |
| parent | a2a51b4e94d3e058a71815cb309a21b707c3473b (diff) | |
| download | emacs-4430a9b54fca266e48d0eb8b72d83706910f10b8.tar.gz | |
Improve pure and side-effect-free docs
For discussion, see thread starting at:
https://lists.gnu.org/archive/html/emacs-devel/2019-04/msg00316.html
* doc/lispref/customize.texi (Composite Types): Do not overspecify
:match-alternatives predicates.
* doc/lispref/eval.texi (Intro Eval): Anchor definition of "side
effect" for cross-referencing...
* doc/lispref/functions.texi (What Is a Function): ...from here.
Define what a pure function is.
* doc/lispref/internals.texi (Writing Emacs Primitives): Describe
currently preferred approach to marking primitives as pure and
side-effect-free.
* doc/lispref/symbols.texi (Standard Properties): Expand description
of pure and side-effect-free properties.
Diffstat (limited to 'doc/lispref/eval.texi')
| -rw-r--r-- | doc/lispref/eval.texi | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/lispref/eval.texi b/doc/lispref/eval.texi index db42dfb6373..39c5a1ec506 100644 --- a/doc/lispref/eval.texi +++ b/doc/lispref/eval.texi @@ -87,6 +87,7 @@ also temporarily alter the environment by binding variables (@pxref{Local Variables}). @cindex side effect +@anchor{Definition of side effect} Evaluating a form may also make changes that persist; these changes are called @dfn{side effects}. An example of a form that produces a side effect is @code{(setq foo 1)}. |