private void CheckAssignment(DataType assignToType, ExpressionSyntax value)
{
if (assignToType is ReferenceType referenceType &&
referenceType.IsOwned)
{
if (value.ValueSemantics != ValueSemantics.Move)
{
diagnostics.Add(SemanticError.CantMove(function.File, value));
function.Poison();
}
}
}