Struct ariadne::FnCache

pub struct FnCache<Id, F> { /* private fields */ }

A Cache that fetches Sources using the provided function.

Implementations

impl<Id, F> FnCache<Id, F>

pub fn new(get: F) -> Self

Create a new FnCache with the given fetch function.

pub fn with_sources(self, sources: HashMap<Id, Source>) -> Selfwhere Id: Eq + Hash,

Pre-insert a selection of Sources into this cache.

Trait Implementations

impl<Id: Display + Hash + PartialEq + Eq + Clone, F> Cache<Id> for FnCache<Id, F>where F: for<'a> FnMut(&'a Id) -> Result<String, Box<dyn Debug>>,

fn fetch(&mut self, id: &Id) -> Result<&Source, Box<dyn Debug + '_>>

Fetch the Source identified by the given ID, if possible.

fn display<'a>(&self, id: &'a Id) -> Option<Box<dyn Display + 'a>>

Display the given ID. as a single inline value.

impl<Id: Clone, F: Clone> Clone for FnCache<Id, F>

fn clone(&self) -> FnCache<Id, F>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<Id: Debug, F: Debug> Debug for FnCache<Id, F>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.