Trait tracing_subscriber::fmt::NewVisitor

pub trait NewVisitor<'a> {
    type Visitor: Visit + 'a;
    fn make(&self, writer: &'a mut dyn Write, is_empty: bool) -> Self::Visitor;
}

A type that can construct a new field visitor for formatting the fields on a span or event.

Associated Types

type Visitor: Visit + 'a

The type of the returned Visitor.

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Required methods

fn make(&self, writer: &'a mut dyn Write, is_empty: bool) -> Self::Visitor

Returns a new Visitor that writes to the provided writer.

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Implementors

impl<'a> NewVisitor<'a> for NewRecorder

type Visitor = Recorder<'a>

fn make(&self, writer: &'a mut dyn Write, is_empty: bool) -> Self::Visitor

impl<'a, F, R> NewVisitor<'a> for F where
    F: Fn(&'a mut dyn Write, bool) -> R,
    R: Visit + 'a, 

type Visitor = R

fn make(&self, writer: &'a mut dyn Write, is_empty: bool) -> Self::Visitor

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