Enum Sink 

pub enum Sink {
    Stderr,
    Memory(Arc<Mutex<Vec<String>>>),
}

Where trace lines go.

Variants

Stderr

One line per event on stderr, beside the prose log.

Memory(Arc<Mutex<Vec<String>>>)

Collected in memory — for tests that read their own trace.

Trait Implementations

impl Clone for Sink

fn clone(&self) -> Sink

Returns a duplicate of the value.

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

Performs copy-assignment from source.