Struct DisplayTemplate 

pub struct DisplayTemplate { /* private fields */ }

Parsed display template (display = '[<ts>] <level> <msg>').

Syntax:

• <fieldname> — replaced with the field’s captured value (empty if the regex didn’t capture it on this line).
• \< — literal <.
• \\ — literal \.
• Anything else — literal.

Implementations

impl DisplayTemplate

pub fn compile(source: &str, field_names: &[String]) -> Result<Self, String>

pub fn render(&self, lookup: impl Fn(&str) -> Option<String>) -> String

Render the template against a captures-lookup closure. Returns the rendered string. Missing fields render as empty.

pub fn source(&self) -> &str

Trait Implementations

impl Clone for DisplayTemplate

fn clone(&self) -> DisplayTemplate

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DisplayTemplate

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

Formats the value using the given formatter.