pub trait Backend {
// Required method
fn trace(&self, args: BackendArgs) -> Result<(), TraceError>;
// Provided method
fn help(&self) -> Option<&str> { ... }
}Required Methods§
fn trace(&self, args: BackendArgs) -> Result<(), TraceError>
Provided Methods§
Dyn Compatibility§
This trait is dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".