Struct Formatter

pub struct Formatter { /* private fields */ }

A formatter that can format log records

Implementations

impl Formatter

pub fn text() -> Self

Create a new text formatter

pub fn json() -> Self

Create a new JSON formatter

pub fn template(template: impl Into<String>) -> Self

Create a new template formatter

pub fn format(&self, record: &Record) -> String

Format a single record into a string

pub fn format_batch(&self, records: &[Record]) -> String

Format multiple records into a string

pub fn with_colors(self, use_colors: bool) -> Self

Enable or disable colored output

pub fn with_timestamp(self, include_timestamp: bool) -> Self

Enable or disable timestamp output

pub fn with_level(self, include_level: bool) -> Self

Enable or disable level output

pub fn with_module(self, include_module: bool) -> Self

Enable or disable module output

pub fn with_location(self, include_location: bool) -> Self

Enable or disable location output

pub fn with_pattern(self, pattern: impl Into<String>) -> Self

Set the pattern for formatting

pub fn with_format<F>(self, format_fn: F) -> Self

where F: Fn(&Record) -> String + Send + Sync + 'static,

Set a custom format function

Trait Implementations

impl Clone for Formatter

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Formatter

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

Formats the value using the given formatter.

impl Default for Formatter

fn default() -> Self

Returns the “default value” for a type.