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-rw-r--r--build2/rule-map.hxx2
1 files changed, 2 insertions, 0 deletions
diff --git a/build2/rule-map.hxx b/build2/rule-map.hxx
index f63d4b9..e754283 100644
--- a/build2/rule-map.hxx
+++ b/build2/rule-map.hxx
@@ -79,6 +79,8 @@ namespace build2
insert<T> (a >> 4, a & 0x0F, hint, r);
}
+ // 0 oid is a wildcard.
+ //
template <typename T>
void
insert (meta_operation_id mid,