Trait Logger 

pub trait Logger: Clone + Debug {
    // Required method
    fn write(&self, msg: String);

    // Provided methods
    fn info(&self, msg: impl AsRef<str>, context: Option<&Context>) { ... }
    fn warn(&self, msg: impl AsRef<str>, context: Option<&Context>) { ... }
    fn error(&self, msg: impl AsRef<str>, context: Option<&Context>) { ... }
    fn format_log(
        &self,
        msg: impl AsRef<str>,
        level: &str,
        context: Option<&Context>,
    ) -> String { ... }
}

Required Methods

fn write(&self, msg: String)

Write the message somewhere.

Provided Methods

fn info(&self, msg: impl AsRef<str>, context: Option<&Context>)

Log an INFO message.

fn warn(&self, msg: impl AsRef<str>, context: Option<&Context>)

Log a WARN message.

fn error(&self, msg: impl AsRef<str>, context: Option<&Context>)

Log an ERROR message.

fn format_log( &self, msg: impl AsRef<str>, level: &str, context: Option<&Context>, ) -> String

Formatter for all log messages.

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

impl Logger for DefaultLogger

By default, print to stderr.