I am studying visiting patterns. However, the following error occurs. not defined. The cat class only has its own name and age. agevisitor and namevis ...

Have a strange case where sometimes a function takes a variant but other times it takes the member of the variant. https://godbolt.org/z/xT1KcdK11 ...

I am trying to implement a Visitor pattern in Rust. I am not able to find a way to support two visitors which return different return value types. Pl ...

I have a grammar that at some point has the following rule: This leads to the following code (with visitor activated) being generated: If I unde ...

Could you please help me figure out why is this not working i.e. refering to the comment in the code //I need to do this but I can't. I thought this t ...

Is it possible to print all node ids / values that are traversed in a visit? Take the following code sample: I now get all types of the nodes that ...

I have two datatypes called DragonVector and UnbiasedDragon and I am using visitor pattern for dynamic type inference. I want to extend a DragonVecto ...

I have the following use case. I have a restriction interface that needs to fill its members from dependencies, do the validations. These methods are ...

I have the following classes. Could you please tell if there is a way to prevent using instanceOf? I read visitor pattern could be used but ...

I have been writing a pet programming language using c++. I've mostly settled on using a Visitor Design Pattern to interreact with my AST. The interac ...

I want to log each iteration of my text changes nevertheless not sure what should be the proper way of doing that. See below. The first test is Geeksf ...

Let the data structure be anything (Array, Vectors, Std::Variant). But what is the difference in traversing using just for/for_each against std::visit ...

I am currently trying to implement a programming language in C++. After the parsing stage, I have an Abstract Syntax Tree that I can operate on, which ...

I have the following simple generics based go package that implements the GoF Visitor pattern: package patterns type Social interface { AcceptVi ...

We have to write an app using the visitor design pattern like ( https://www.baeldung.com/java-visitor-pattern ) , one example element looks like, impl ...

I am using the Visitor design pattern in my application for message processing. For example: In my application, instances of the messages are being ...

I have a variant which can contain 8 different types, some of them under a particular namespace There exists a free function which can be called wi ...

I've been learning how to make an AST with Antlr4's visitor and after reading Terrance Parr's book, and multiple forums on the topic of AST generation ...

An aside: Before java 15 to remedy this people used the "type safe visitor" pattern. I recommend not learning that for your sanity, but if you are ...

I'm developing a shell implementation in Java and I'm using antlr4 to parse the grammar. I would like to parse the input commands one by one and store ...