Struct AppendLog 

pub struct AppendLog { /* private fields */ }

A replaceable append-only log destination, shared by its owner’s consumers. File replacement and complete record writes are serialized per destination.

Implementations

impl AppendLog

pub fn set_path(&self, path: Option<&Path>, header: &[u8]) -> Result<()>

Close the old destination before opening its replacement. On failure the log stays disabled. The header is written only to empty regular files.

pub fn enabled(&self) -> bool

pub fn write(&self, record: &[u8]) -> Result<()>

Append and flush a complete record, or do nothing if disabled.

Trait Implementations

impl Debug for AppendLog

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

Formats the value using the given formatter.

impl Default for AppendLog

fn default() -> Self

Returns the “default value” for a type.