Struct tracing_subscriber::registry::Extensions

pub struct Extensions<'a> { /* fields omitted */ }

This is supported on crate feature std only.

An immutable, read-only reference to a Span’s extensions.

Implementations

impl<'a> Extensions<'a>

pub fn get<T: 'static>(&self) -> Option<&T>

Immutably borrows a type previously inserted into this Extensions.

Trait Implementations

impl<'a> Debug for Extensions<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.