convert CHILD_ constants to enum class

Change-Id: I1aca134fcc0384df4797cacafa9fbc1ed88d6617

1 files changed, 17 insertions, 0 deletions

diff --git a/include/o3tl/typed_flags_set.hxx b/include/o3tl/typed_flags_set.hxx
index 001d3fef6fc7..4b6e4f5909b1 100644
--- a/include/o3tl/typed_flags_set.hxx
+++ b/include/o3tl/typed_flags_set.hxx
@@ -245,6 +245,23 @@ inline typename o3tl::typed_flags<E>::Self operator |=(
     return lhs;
 }
 
+template<typename E>
+inline typename o3tl::typed_flags<E>::Self operator ^=(E & lhs, E rhs) {
+    assert(static_cast<typename o3tl::underlying_type<E>::type>(lhs) >= 0);
+    assert(static_cast<typename o3tl::underlying_type<E>::type>(rhs) >= 0);
+    lhs = lhs ^ rhs;
+    return lhs;
+}
+
+template<typename E>
+inline typename o3tl::typed_flags<E>::Self operator ^=(
+    E & lhs, typename o3tl::typed_flags<E>::Wrap rhs)
+{
+    assert(static_cast<typename o3tl::underlying_type<E>::type>(lhs) >= 0);
+    lhs = lhs ^ rhs;
+    return lhs;
+}
+
 #endif /* INCLUDED_O3TL_TYPED_FLAGS_SET_HXX */
 
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