Trait tracing_fmt::Filter

pub trait Filter<N> {
    fn enabled(&self, metadata: &Metadata, ctx: &Context<N>) -> bool;

    fn callsite_enabled(
        &self, 
        metadata: &Metadata, 
        ctx: &Context<N>
    ) -> Interest { ... }
}

A policy for determining what spans and events should be enabled.

Required methods

fn enabled(&self, metadata: &Metadata, ctx: &Context<N>) -> bool

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Provided methods

fn callsite_enabled(&self, metadata: &Metadata, ctx: &Context<N>) -> Interest

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Implementors

impl<'a, F, N> Filter<N> for F where
    F: Fn(&Metadata, &Context<N>) -> bool,
    N: NewVisitor<'a>, 

fn enabled(&self, metadata: &Metadata, ctx: &Context<N>) -> bool

impl<F, N> Filter<N> for ReloadFilter<F, N> where
    F: Filter<N>, 

fn callsite_enabled(&self, metadata: &Metadata, ctx: &Context<N>) -> Interest

fn enabled(&self, metadata: &Metadata, ctx: &Context<N>) -> bool

impl<N> Filter<N> for EnvFilter

fn callsite_enabled(&self, metadata: &Metadata, _: &Context<N>) -> Interest

fn enabled<'a>(&self, metadata: &Metadata, ctx: &Context<'a, N>) -> bool

impl<N> Filter<N> for NoFilter

fn enabled(&self, _: &Metadata, _: &Context<N>) -> bool

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