Trait MessageHandler 

pub trait MessageHandler: Send + Sync {
    // Required method
    fn show(&mut self, message: &str, level: MessageLevel) -> Result<()>;
}

Message handler trait for showing messages to users

Required Methods

fn show(&mut self, message: &str, level: MessageLevel) -> Result<()>

Show a message to the user

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl MessageHandler for StdMessageHandler

Available on crate feature std only.