In this post, we will see how to resolve How to use unicode in a rust macro argument? Question: This is rougly what I want to use: however I get the following errors: What is wrong with this macro? Best ...
In this post, we will see how to resolve Automatically create enum variants Question: I want macros that automatically add structures with attribute macros to the enum. For example Expand on the above I have looked around and could not ...
In this post, we will see how to resolve Macros, How to generate enum variant from str literal? Question: I have an enum with over 100 variants. and I have to get each of its variants from a string. Something ...
Question: Are all attributes in Rust implemented as Macros? Or some native attributes are created specially by the compiler/language and does not use the Macros mechanism? If there are attributes not created via Macros, how do I identify them? Best ...
Question: Suppose this: I want to parse in any kind of data struct some mapping between the base_path and the path attached to the methods on the impl block. Imagine any HashMap<K, V> where base_path are the keys and path ...
Question: I have written the following macro: I am using it like this: This produces the following error: error: no rules expected the token :: label: no rules expected this token in the macro call I find this very confusing ...
Question: I have been using the #[tokio::main] macro in one of my programs. After importing main and using it unqualified, I encountered an unexpected error. I’ve been scouring the documentation but I haven’t been able to find this built-in #[main] ...
Question: This macro should be able to replace entries in a string via an argument. For example, this would work: I’m not sure how to do this, as all my previous attempts of just writing a regular function and calling ...