throwOperationError method
Implementation
Never throwOperationError(String op, ASTType t1, ASTType t2) {
var message = "Can't perform '$op' operation with types: $t1 $op $t2";
if (t1 is ASTTypeNull || t2 is ASTTypeNull) {
throw ApolloVMNullPointerException(message);
}
throw UnsupportedError(message);
}