Struct design_pattern_examples_rust::bridge::bridge_nulllogger::NullLogger

pub struct NullLogger {}

Represents a logger that throws away anything sent its way.

Implementations

impl NullLogger

pub fn new() -> Box<dyn ILogger>

Create an instance of a null logger, a logger that doesn’t do anything.

Returns

An instance of an ILogger object.

Trait Implementations

impl ILogger for NullLogger

fn write_line(&mut self, _loglevel: &str, _message: &str)

Send a formatted line to the logger. Must be implemented by any struct implementing the ILogger trait.

fn log_trace(&mut self, message: &str)

Log trace messages to the configured output. A newline will always be added to the message when writing to the log. Default behavior is to send the message to ILogger::write_line().

fn log_info(&mut self, message: &str)

Log information messages to the configured output. A newline will always be added to the message when writing to the log. Default behavior is to send the message to ILogger::write_line().

fn log_error(&mut self, message: &str)

Log error messages to the configured output. A newline will always be added to the message when writing to the log. Default behavior is to send the message to ILogger::write_line().