Struct slog_nursery::Failover

pub struct Failover<D1: Drain, D2: Drain> { /* fields omitted */ }

Drain that switches destination of error

Logs everything to drain D1, but in case of it reporting an error, switching to D2. If D2 returns an error too, Failover will return an error.

Methods

impl<D1: Drain, D2: Drain> Failover<D1, D2>

fn new(drain1: D1, drain2: D2) -> Self

Create Failover

Trait Implementations

impl<D1, D2, E1, E2> Drain for Failover<D1, D2> where
    D1: Drain<Error = E1>,
    D2: Drain<Error = E2>, 

type Error = D2::Error

Type of potential errors returned during logging

fn log(
    &self,
    info: &Record,
    logger_values: &OwnedKeyValueList
) -> Result<(), Self::Error>

Log one logging record