Trait Diagnostic 

pub trait Diagnostic {
    // Required method
    fn fmt() -> &'static str;
}

Diagnostic formatting for error messages.

Required Methods

fn fmt() -> &'static str

Expected format string, e.g., “{” or “identifier”.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors