Trait Guard 

pub trait Guard:
    Send
    + Sync
    + 'static {
    // Required method
    fn can_activate(
        &self,
        context: ExecutionContext,
    ) -> BoxFuture<'static, Result<bool>>;
}

Decides whether a route handler can run.

Required Methods

fn can_activate( &self, context: ExecutionContext, ) -> BoxFuture<'static, Result<bool>>

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl Guard for Arc<dyn Guard>

fn can_activate( &self, context: ExecutionContext, ) -> BoxFuture<'static, Result<bool>>

Implementors

impl<F, Fut> Guard for F

where F: Fn(ExecutionContext) -> Fut + Send + Sync + 'static, Fut: Future<Output = Result<bool>> + Send + 'static,