Struct FailableReadableKeyPath 

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

Fields

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

Implementations

impl<Root, Value> FailableReadableKeyPath<Root, Value>

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

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

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

Iterate a slice of Root and yield references to Value

impl<Root, Mid> FailableReadableKeyPath<Root, Mid>

where Root: 'static, Mid: 'static,

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

where Value: 'static,