Trait ManifestFetcher 

pub trait ManifestFetcher {
    // Required methods
    fn fetch_remote(&self) -> Option<Manifest>;
    fn load_cached(&self) -> Option<Manifest>;
}

Trait for fetching and caching manifests. Implementations provide the actual remote fetch and cache read/write logic.

Required Methods

fn fetch_remote(&self) -> Option<Manifest>

Attempt to fetch a fresh remote manifest. Returns None if the fetch fails for any reason.

fn load_cached(&self) -> Option<Manifest>

Attempt to load a cached remote manifest. Returns None if no valid cache exists.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors