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author | Ludovic Courtès <ludo@gnu.org> | 2015-10-26 18:44:18 +0100 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2015-10-27 00:01:20 +0100 |
commit | 96856613249ccef0bfce16edd945a841d1b661f7 (patch) | |
tree | aa7054114f83f9be69c7b493c3bcb5971d720054 | |
parent | 5e1c936712d824e7ccbb3cbb8ac7ffa375237469 (diff) | |
download | gnu-guix-96856613249ccef0bfce16edd945a841d1b661f7.tar gnu-guix-96856613249ccef0bfce16edd945a841d1b661f7.tar.gz |
doc: Add a REPL example.
* doc/contributing.texi (Running Guix Before It Is Installed): Add REPL
example.
* doc/emacs.texi (Emacs General info): Add @cindex.
-rw-r--r-- | doc/contributing.texi | 24 | ||||
-rw-r--r-- | doc/emacs.texi | 2 |
2 files changed, 26 insertions, 0 deletions
diff --git a/doc/contributing.texi b/doc/contributing.texi index 245ce9b1c4..d80c0d5fdf 100644 --- a/doc/contributing.texi +++ b/doc/contributing.texi @@ -86,6 +86,30 @@ Similarly, for a Guile session using the Guix modules: @example $ ./pre-inst-env guile -c '(use-modules (guix utils)) (pk (%current-system))' + +;;; ("x86_64-linux") +@end example + +@noindent +@cindex REPL +@cindex read-eval-print loop +@dots{} and for a REPL (@pxref{Using Guile Interactively,,, guile, Guile +Reference Manual}): + +@example +$ ./pre-inst-env guile +scheme@@(guile-user)> ,use(guix) +scheme@@(guile-user)> ,use(gnu) +scheme@@(guile-user)> (define snakes + (fold-packages + (lambda (package lst) + (if (string-prefix? "python" + (package-name package)) + (cons package lst) + lst)) + '())) +scheme@@(guile-user)> (length snakes) +$1 = 361 @end example The @command{pre-inst-env} script sets up all the environment variables diff --git a/doc/emacs.texi b/doc/emacs.texi index 0e901e1f90..b36e859b4a 100644 --- a/doc/emacs.texi +++ b/doc/emacs.texi @@ -227,6 +227,8 @@ prefix argument is used. This has the same meaning as @code{--manifest} option (@pxref{Invoking guix package}). @item C-c C-z +@cindex REPL +@cindex read-eval-print loop Go to the Guix REPL (@pxref{The REPL,,, geiser, Geiser User Manual}). @item h |