Struct JsonlTrace 

pub struct JsonlTrace { /* private fields */ }

Appends every event and model call to one JSON Lines file, flushed line by line so a crash keeps what came before it.

Implementations

impl JsonlTrace

pub fn create(directory: impl AsRef<Path>) -> Result<Self>

A new file in directory, created if missing, named after the moment it opens.

Errors

The io::Error creating the directory or the file.

pub fn from_environment(default: impl AsRef<Path>) -> Result<Option<Self>>

The trace the TURNFRAME_TRACE variable asks for: 1 or true writes into default, any other value names the directory, unset or empty means none.

Errors

The io::Error creating the directory or the file.

pub fn path(&self) -> &Path

The file being written.

Trait Implementations

impl CallTrace for JsonlTrace

fn call(&self, call: &TracedCall<'_>)

Records one call.

impl Debug for JsonlTrace

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

Formats the value using the given formatter.

impl TurnTrace for JsonlTrace

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

Records one event.