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authorAraq <rumpf_a@web.de>2014-10-02 10:08:41 +0200
committerAraq <rumpf_a@web.de>2014-10-02 10:08:41 +0200
commitc99ec1654452eede8b374eb85cb05b2e759be23f (patch)
treecf6362bf57bd1129654a89d05a305a99dcac00d2 /doc/manual
parent2011805829089d631951411c4a7cc7ab33653712 (diff)
downloadNim-c99ec1654452eede8b374eb85cb05b2e759be23f.tar.gz
deprecated string case statements without 'else'
Diffstat (limited to 'doc/manual')
-rw-r--r--doc/manual/stmts.txt10
1 files changed, 4 insertions, 6 deletions
diff --git a/doc/manual/stmts.txt b/doc/manual/stmts.txt
index b706101e1..1307ff917 100644
--- a/doc/manual/stmts.txt
+++ b/doc/manual/stmts.txt
@@ -262,13 +262,11 @@ given *slicelist* the ``else`` part is executed. If there is no ``else``
 part and not all possible values that ``expr`` can hold occur in a 
 ``slicelist``, a static error occurs. This holds only for expressions of 
 ordinal types. "All possible values" of ``expr`` are determined by ``expr``'s
-type. 
+type. To suppress the static error an ``else`` part with an
+empty ``discard`` statement should be used.
 
-If the expression is not of an ordinal type, and no ``else`` part is
-given, control passes after the ``case`` statement.
-
-To suppress the static error in the ordinal case an ``else`` part with an
-empty ``discard`` statement can be used.
+For non ordinal types it is not possible to list every possible value and so
+these always require an ``else`` part.
 
 As a special semantic extension, an expression in an ``of`` branch of a case
 statement may evaluate to a set or array constructor; the set or array is then