Struct StderrLogger 

pub struct StderrLogger;

Minimal Logger that writes one line per event to stderr.

Useful as a quick-start and as a smoke-test hook. Not optimized for production throughput; route to tracing / log for real workloads.

Trait Implementations

impl Debug for StderrLogger

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for StderrLogger

fn default() -> StderrLogger

Returns the “default value” for a type.

impl Logger for StderrLogger

fn log_call_start(&self, event: &LogCallStart<'_>)

Called once per model call, after transform_params and before the inner model runs.

fn log_call_end(&self, event: &LogCallEnd<'_>)

Called once per successful model call.

fn log_call_error(&self, event: &LogCallError<'_>)

Called once per failed model call.

fn log_stream_part(&self, _event: &LogStreamPart<'_>)

Called once per emitted StreamPart when the middleware is built with LoggingMiddleware::with_stream_parts.