summaryrefslogtreecommitdiff
path: root/doc
diff options
context:
space:
mode:
Diffstat (limited to 'doc')
-rw-r--r--doc/contributing.texi7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/contributing.texi b/doc/contributing.texi
index 40ae33ecac..6a8ffd6524 100644
--- a/doc/contributing.texi
+++ b/doc/contributing.texi
@@ -1089,11 +1089,16 @@ and then to browse them ``by hand'' using @code{car}, @code{cdr},
notably the fact that it is hard to read, error-prone, and a hindrance
to proper type error reports.
+@findex define-record-type*
+@findex match-record
+@cindex pattern matching
Guix code should define appropriate data types (for instance, using
@code{define-record-type*}) rather than abuse lists. In addition, it
should use pattern matching, via Guileā€™s @code{(ice-9 match)} module,
especially when matching lists (@pxref{Pattern Matching,,, guile, GNU
-Guile Reference Manual}).
+Guile Reference Manual}); pattern matching for records is better done
+using @code{match-record} from @code{(guix records)}, which, unlike
+@code{match}, verifies field names at macro-expansion time.
@node Formatting Code
@subsection Formatting Code