Struct env_filter::FilteredLog

pub struct FilteredLog<T> { /* private fields */ }

Decorate a log::Log with record Filtering.

Records that match the filter will be forwarded to the wrapped log. Other records will be ignored.

Implementations

impl<T: Log> FilteredLog<T>

pub fn new(log: T, filter: Filter) -> Self

Create a new filtered log.

Trait Implementations

impl<T: Debug> Debug for FilteredLog<T>

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

Formats the value using the given formatter.

impl<T: Log> Log for FilteredLog<T>

fn enabled(&self, metadata: &Metadata<'_>) -> bool

Determines if a log message with the specified metadata would be logged.

For the wrapped log, this returns true only if both the filter and the wrapped log return true.

fn log(&self, record: &Record<'_>)

Logs the record.

Forwards the record to the wrapped log, but only if the record matches the filter.

fn flush(&self)

Flushes any buffered records.

Forwards directly to the wrapped log.