Struct EntryWriteGuard 

pub struct EntryWriteGuard<'a, T> { /* private fields */ }

Holds a write guard to the entry. See Entry::write().

Implementations

impl<T: 'static> EntryWriteGuard<'_, T>

pub fn get(&self) -> &T

Acquires a reference to the entry.

pub fn get_mut(&mut self) -> &mut T

Acquires a mutable reference to the entry.

Examples found in repository

examples/registry_mutation.rs (line 17)

fn main() {
    let registry = Registry::<i32>::new();
    let entry1 = registry.register(0);
    let entry2 = registry.register(100);

    println!("{:?}", registry); // Prints: {0: 0, 1: 100}

    println!("Mutation via Registry...");
    for (_, value) in registry.write().iter_mut() {
        *value += 1;
    }
    println!("{:?}", registry); // Prints: {0: 1, 1: 101}

    println!("Mutation via typed Entry...");
    *entry1.write().unwrap().get_mut() += 10;
    *entry2.write().unwrap().get_mut() += 10;
    println!("{:?}", registry); // Prints: {0: 11, 1: 111}
}