Trait Injector 

pub trait Injector {
    // Required method
    fn set(&mut self, key: &str, value: String);

    // Provided method
    fn reserve(&mut self, additional: usize) { ... }
}

Available on crate features opentelemetry and trace only.

Injector provides an interface for adding fields from an underlying struct like HashMap

Required Methods

fn set(&mut self, key: &str, value: String)

Add a key and value to the underlying data.

Provided Methods

fn reserve(&mut self, additional: usize)

Hint to reserve capacity for at least additional more entries to be inserted.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<S> Injector for HashMap<String, String, S>

where S: BuildHasher,