Add bt2::Common{Field,FieldClass,Value,Message}<>::as<>()

[babeltrace.git] / src / cpp-common / bt2 / field-class.hpp

diff --git a/src/cpp-common/bt2/field-class.hpp b/src/cpp-common/bt2/field-class.hpp
index 2a167b1907774c59a5d5bcd4c7c8b196ede23409..b630224f929fda5b0a851065bebd0c5981b26103 100644 (file)
--- a/src/cpp-common/bt2/field-class.hpp
+++ b/src/cpp-common/bt2/field-class.hpp
@@ -373,6 +373,12 @@ public:
         return this->_libTypeIs(BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD);
     }
 
+    template <typename FieldClassT>
+    FieldClassT as() const noexcept
+    {
+        return FieldClassT {this->libObjPtr()};
+    }
+
     CommonBitArrayFieldClass<LibObjT> asBitArray() const noexcept;
     CommonIntegerFieldClass<LibObjT> asInteger() const noexcept;
     CommonBaseEnumerationFieldClass<LibObjT> asEnumeration() const noexcept;