another bit of refactoring

main.cpp

@@ -1,5 +1,5 @@
 #include "parser.h"
-#include "executor.h"
+#include "usql.h"
 
 // https://dev.to/joaoh82/what-would-sqlite-look-like-if-written-in-rust-part-1-2np4
 
@@ -8,9 +8,6 @@
 // drop table
 
 int main(int argc, char *argv[]) {
-	usql::Parser parser{};
-	usql::Executor executor{};
-
 	std::vector<std::string> sql_commands{
 		    "create table a (i integer not null, s varchar(64), f float null)",
 		    "insert into a (i, s) values(1, 'one')",
@@ -35,13 +32,13 @@ int main(int argc, char *argv[]) {
 	};
 
 
+	usql::uSQL uSql{};
+
 	for (auto command : sql_commands) {
 		std::cout << command << std::endl;
-		auto node = parser.parse(command);
-		auto result = executor.execute(*node);
+		auto result = uSql.execute(command);
 
 		result->print();
-		// std::cout << std::endl;
 	}
 
 	return 0;