# HG changeset patch
# User Michael Goffioul <michael.goffioul@gmail.com>
# Date 1319111692 -3600
# Node ID b1186adb567e9c21b6b812cbfa6cea28ea43fd5e
# Parent  f8bef53122c84cd59c6955760ce3929e70e387fa
Add dummy template specializations with a return value.

* ov.h (DEF_DUMMY_VALUE_EXTRACTOR): New macro. Use it for specialization
with char and octave_value.

diff -r f8bef53122c8 -r b1186adb567e src/ov.h
--- a/src/ov.h	Thu Oct 20 12:54:46 2011 +0100
+++ b/src/ov.h	Thu Oct 20 12:54:52 2011 +0100
@@ -1371,4 +1371,13 @@
 DEF_VALUE_EXTRACTOR (SparseBoolMatrix, sparse_bool_matrix)
 #undef DEF_VALUE_EXTRACTOR
 
+#define DEF_DUMMY_VALUE_EXTRACTOR(VALUE,DEFVAL) \
+template<> \
+inline VALUE octave_value_extract<VALUE> (const octave_value& v) \
+  { assert (false); return DEFVAL; }
+
+DEF_DUMMY_VALUE_EXTRACTOR (char, 0)
+DEF_DUMMY_VALUE_EXTRACTOR (octave_value, octave_value ())
+#undef DEF_DUMMY_VALUE_EXTRACTOR
+
 #endif