Struct ReadableKeyPath 

pub struct ReadableKeyPath<Root, Value> {
    pub get: Box<dyn for<'a> Fn(&'a Root) -> &'a Value>,
}

Read-only keypath

Fields

get: Box<dyn for<'a> Fn(&'a Root) -> &'a Value>

Implementations

impl<Root, Value> ReadableKeyPath<Root, Value>

pub fn new( get: impl for<'a> Fn(&'a Root) -> &'a Value + 'static, ) -> ReadableKeyPath<Root, Value>

pub fn get<'a>(&self, root: &'a Root) -> &'a Value

pub fn iter<'a>( &'a self, slice: &'a [Root], ) -> impl Iterator<Item = &'a Value> + 'a

Iterate a slice of Root and yield references to Value

impl<Root, Mid> ReadableKeyPath<Root, Mid>

where Root: 'static, Mid: 'static,

pub fn compose<Value>( self, mid: ReadableKeyPath<Mid, Value>, ) -> ReadableKeyPath<Root, Value>

where Value: 'static,