dispatchtable

Trait Dispatch

Source 
pub trait Dispatch<K, P: ?Sized, R>
where
    K: Eq + Hash,
{
    // Required methods
    fn into_vec(self) -> Vec<(K, Box<dyn DispatchFunction<P, R>>)>;
    fn remove<Q>(&mut self, key: &Q)
       where K: Borrow<Q>,
             Q: Eq + Hash + ?Sized;
    fn insert(&mut self, key: K, item: Box<dyn DispatchFunction<P, R>>);
    fn contains_key<Q>(&self, key: &Q) -> bool
       where K: Borrow<Q>,
             Q: Eq + Hash + ?Sized;
    fn get<Q>(&self, key: &Q) -> Option<&Box<dyn DispatchFunction<P, R>>>
       where K: Borrow<Q>,
             Q: Eq + Hash + ?Sized;
    fn len(&self) -> usize;

    // Provided method
    fn call<Q>(&self, key: &Q, params: &P) -> Option<R>
       where K: Borrow<Q>,
             Q: Eq + Hash + ?Sized { ... }
}

Required Methods§

Source

fn into_vec(self) -> Vec<(K, Box<dyn DispatchFunction<P, R>>)>

Source

fn remove<Q>(&mut self, key: &Q)
where K: Borrow<Q>, Q: Eq + Hash + ?Sized,

Source

fn insert(&mut self, key: K, item: Box<dyn DispatchFunction<P, R>>)

Source

fn contains_key<Q>(&self, key: &Q) -> bool
where K: Borrow<Q>, Q: Eq + Hash + ?Sized,

Source

fn get<Q>(&self, key: &Q) -> Option<&Box<dyn DispatchFunction<P, R>>>
where K: Borrow<Q>, Q: Eq + Hash + ?Sized,

Source

fn len(&self) -> usize

Provided Methods§

Source

fn call<Q>(&self, key: &Q, params: &P) -> Option<R>
where K: Borrow<Q>, Q: Eq + Hash + ?Sized,

Examples found in repository?
examples/dispatch.rs (line 17)
12fn main() {
13    let mut table = DispatchTable::new();
14    table.insert("add", Box::new(add));
15    table.insert("sub", Box::new(sub));
16
17    assert_eq!(table.call(&"add", &(1, 2)), Some(3));
18    assert_eq!(table.call(&"sub", &(5, 2)), Some(3));
19}

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§

Source§

impl<K, P: ?Sized, R> Dispatcher<K, P, R> for DispatchTable<K, P, R>
where K: Hash + Eq,