Trait ReadValue 

pub trait ReadValue: Sized + DefinedAt {
    type Value: Deref;

    // Required method
    fn try_read_value(&self) -> Option<Self::Value>;

    // Provided method
    fn read_value(&self) -> Self::Value { ... }
}

A variation of the Read trait that provides a signposted “always-non-reactive” API. E.g. for StoredValue.

Required Associated Types

type Value: Deref

The guard type that will be returned, which can be dereferenced to the value.

Required Methods

fn try_read_value(&self) -> Option<Self::Value>

Returns the non-reactive guard, or None if the value has already been disposed.

Provided Methods

fn read_value(&self) -> Self::Value

Returns the non-reactive guard.

Panics

Panics if you try to access a value that has been disposed.

Dyn Compatibility

This trait is not dyn compatible.

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

Implementors

impl<T, S> ReadValue for StoredValue<T, S>

where T: 'static, S: Storage<ArcStoredValue<T>>,

type Value = ReadGuard<T, Plain<T>>

impl<T> ReadValue for ArcStoredValue<T>

where T: 'static,

type Value = ReadGuard<T, Plain<T>>