Fix a rustdoc link

use std::time::{Duration, Instant};

use tor_basic_utils::retry::RetryDelay;

/// Status information about whether a [`FallbackDir`](super::FallbackDir)

/// or [`Guard`](crate::guard::Guard)

/// is currently usable as a directory cache.

/// Status information about whether a

/// [`FallbackDir`](crate::fallback::FallbackDir) or

/// [`Guard`](crate::guard::Guard) is currently usable as a directory cache.

///

/// This structure is used to track whether the cache has recently

/// failed, and if so, when it can be retried.

/// This structure is used to track whether the cache has recently failed, and

/// if so, when it can be retried.

#[derive(Debug, Clone)]

pub(crate) struct DirStatus {

    /// Used to decide how long to delay before retrying a fallback cache