Static TRACEBACK_ERROR_CALLBACK 

pub static mut TRACEBACK_ERROR_CALLBACK: Option<TracebackCallbackType>

Traceback Error Callback

The TRACEBACK_ERROR_CALLBACK is a mutable static variable that holds an optional callback function for custom error handling in a Rust program using the traceback_error crate. This callback is called when a TracebackError goes out of scope, allowing you to customize how error information is handled and reported.

Usage

To use the TRACEBACK_ERROR_CALLBACK, you can set it to your custom traceback callback function using the set_traceback! macro. Your custom traceback callback function should take an argument of type traceback_error::TracebackError. The macro generates a unique struct and function to wrap your callback and sets it as the traceback callback.

Example of setting a custom traceback callback:

// Define a custom traceback callback function
fn my_traceback_callback(error: traceback_error::TracebackError) {
    // Custom error handling logic here
    println!("Custom traceback callback called: {:?}", error);
}

// Use the set_traceback macro to set the custom traceback callback
traceback_error::set_traceback!(my_traceback_callback);

// Any TracebackErrors will now be handled by my_traceback_callback when dropped

Asynchronous Callbacks

If your custom traceback callback is asynchronous, you can specify it as such using the async keyword when calling the set_traceback! macro.

Example of setting an asynchronous custom traceback callback:

// Define an asynchronous custom traceback callback function
async fn my_async_traceback_callback(error: traceback_error::TracebackError) {
    // Custom error handling logic here
    println!("Async custom traceback callback called: {:?}", error);
}

// Use the set_traceback macro to set the asynchronous custom traceback callback
traceback_error::set_traceback!(async my_async_traceback_callback);