Trait InvocationIdGenerator 

pub trait InvocationIdGenerator:
    Debug
    + Send
    + Sync {
    // Required method
    fn generate(&self) -> Result<Option<InvocationId>, BoxError>;
}

A generator for returning new invocation IDs on demand.

Required Methods

fn generate(&self) -> Result<Option<InvocationId>, BoxError>

Call this function to receive a new InvocationId or an error explaining why one couldn’t be provided.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl InvocationIdGenerator for DefaultInvocationIdGenerator

impl InvocationIdGenerator for NoInvocationIdGenerator

Available on crate feature test-util only.

impl InvocationIdGenerator for PredefinedInvocationIdGenerator

Available on crate feature test-util only.

impl InvocationIdGenerator for SharedInvocationIdGenerator