Microsoft.CSharp.RuntimeBinder.Semantics.MethodTypeInferrer.ExactNullableInference C# (CSharp) Метод

        private bool ExactNullableInference(CType pSource, CType pDest)
        {
            // SPEC:  Otherwise, if U is the CType U1? and V is the CType V1? 
            // SPEC:   then an exact inference is made from U to V.
            if (!pSource.IsNullableType() || !pDest.IsNullableType())
            {
                return false;
            }
            ExactInference(pSource.AsNullableType().GetUnderlyingType(),
                pDest.AsNullableType().GetUnderlyingType());
            return true;
        }