Struct Channel 

pub struct Channel {
    pub name: String,
    pub reducer: Reducer,
    pub default: Option<Value>,
}

Channel definition for a state field

Fields

name: String

Channel name

reducer: Reducer

Reducer for merging updates

default: Option<Value>

Default value

Implementations

impl Channel

pub fn new(name: &str) -> Self

Create a new channel with overwrite semantics

pub fn list(name: &str) -> Self

Create a list channel with append semantics

pub fn counter(name: &str) -> Self

Create a counter channel with sum semantics

pub fn with_reducer(self, reducer: Reducer) -> Self

Set the reducer

pub fn with_default(self, default: Value) -> Self

Set the default value

Trait Implementations

impl Clone for Channel

fn clone(&self) -> Channel

Returns a duplicate of the value.

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

Performs copy-assignment from source.