Revision control

Copy as Markdown

Other Tools

use tracing_core::{metadata::Metadata, span, subscriber::Subscriber, Event};
pub struct TestSubscriberA;
impl Subscriber for TestSubscriberA {
fn enabled(&self, _: &Metadata<'_>) -> bool {
true
}
fn new_span(&self, _: &span::Attributes<'_>) -> span::Id {
span::Id::from_u64(1)
}
fn record(&self, _: &span::Id, _: &span::Record<'_>) {}
fn record_follows_from(&self, _: &span::Id, _: &span::Id) {}
fn event(&self, _: &Event<'_>) {}
fn enter(&self, _: &span::Id) {}
fn exit(&self, _: &span::Id) {}
}
pub struct TestSubscriberB;
impl Subscriber for TestSubscriberB {
fn enabled(&self, _: &Metadata<'_>) -> bool {
true
}
fn new_span(&self, _: &span::Attributes<'_>) -> span::Id {
span::Id::from_u64(1)
}
fn record(&self, _: &span::Id, _: &span::Record<'_>) {}
fn record_follows_from(&self, _: &span::Id, _: &span::Id) {}
fn event(&self, _: &Event<'_>) {}
fn enter(&self, _: &span::Id) {}
fn exit(&self, _: &span::Id) {}
}