Struct Target 

pub struct Target { /* private fields */ }

A log target.

Implementations

impl Target

pub const fn new(kind: TargetKind) -> Self

Creates a new Target of the given TargetKind, with no filters and the Builder’s formatter.

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

where F: Fn(&Metadata<'_>) -> bool + Send + Sync + 'static,

Adds a filter that can reject log records from being sent to this target. Multiple filters may be added by calling this method more than once.

pub fn format<F>(self, formatter: F) -> Self

where F: Fn(FormatCallback<'_>, &Arguments<'_>, &Record<'_>) + Send + Sync + 'static,

Sets a formatter for log records sent to this target, overriding the Builder’s formatter for this target only.