Fixed issue where function declarations without parameters would cause errors

src/Parser/Parser.cpp

@@ -109,6 +109,9 @@ ParsedStatement *Parser::ParseFunctionDeclaration(IToken *current) {
 
     while (this -> _position < this->_tokens.size()){
         auto type = this->Next();
+        if (type->GetKind() == TokenKind::CloseParenthesis){
+            break;
+        }
         auto identifier = this->Next();
         auto next = this->Next();
         if (type->GetKind() != TokenKind::Identifier &&!hasErrors){