🛈 Note: This is pre-release documentation for the upcoming tracing 0.2.0 ecosystem.

For the release documentation, please see docs.rs, instead.

tracing_subscriber::fmt::format

Function debug_fn

Source 
pub fn debug_fn<F>(f: F) -> FieldFn<F>
where
    F: Fn(&mut Writer<'_>, &Field, &dyn Debug) -> Result + Clone,
Available on crate features fmt and std only.
Expand description

Returns a FormatFields implementation that formats fields using the provided function or closure.