public void TestFoo()
{
const string input = @"
module foo
public class bar
{
public meth(const arg : int) : bool => abc <- 100
}
";
var parser = new MuteScriptParser();
var lexer = new MuteGrammarLexer(new Antlr4.Runtime.AntlrInputStream(input));
var muteParser = new MuteGrammarParser(new Antlr4.Runtime.UnbufferedTokenStream(lexer));
var cmp = parser.VisitCompileUnit(muteParser.compileUnit());
Console.WriteLine(cmp.ToString());
}