Trait SetValue 

pub trait SetValue: DefinedAt {
    type Value;

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

    // Provided method
    fn set_value(&self, value: Self::Value) { ... }
}

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

Required Associated Types

type Value

The type of the value contained in the value.

Required Methods

fn try_set_value(&self, value: Self::Value) -> Option<Self::Value>

Updates the value by replacing it, non-reactively.

If the value has already been disposed, returns Some(value) with the value that was passed in. Otherwise, returns None.

Provided Methods

fn set_value(&self, value: Self::Value)

Updates the value by replacing it, non-reactively.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl<T> SetValue for T

where T: WriteValue,

type Value = <T as WriteValue>::Value