Trait tracing_subscriber::field::VisitOutput

pub trait VisitOutput<Out>: Visit {
    fn finish(self) -> Out;

    fn visit<R>(self, fields: &R) -> Out
    where
        R: RecordFields,
        Self: Sized,
    { ... }
}

A visitor that produces output once it has visited a set of fields.

Required Methods

fn finish(self) -> Out

Completes the visitor, returning any output.

This is called once a full set of fields has been visited.

Provided Methods

fn visit<R>(self, fields: &R) -> Outwhere
    R: RecordFields,
    Self: Sized,

Visit a set of fields, and return the output of finishing the visitor once the fields have been visited.

Implementors

impl<'a> VisitOutput<Result<(), Error>> for DefaultVisitor<'a>

impl<'a> VisitOutput<Result<(), Error>> for JsonVisitor<'a>

impl<'a> VisitOutput<Result<(), Error>> for PrettyVisitor<'a>

impl<'a, F> VisitOutput<Result<(), Error>> for FieldFnVisitor<'a, F>where
    F: Fn(&mut dyn Write, &Field, &dyn Debug) -> Result,

impl<D, V> VisitOutput<Result<(), Error>> for VisitDelimited<D, V>where
    V: VisitFmt,
    D: AsRef<str>,

impl<V, O> VisitOutput<O> for Alt<V>where
    V: VisitOutput<O>,

impl<V, O> VisitOutput<O> for Messages<V>where
    V: VisitOutput<O>,