Struct FailableWritableKeyPath 

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

Fields

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

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

Implementations

impl<Root, Value> FailableWritableKeyPath<Root, Value>

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

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

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

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

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

Mutable iteration

impl<Root, Mid> FailableWritableKeyPath<Root, Mid>

where Root: 'static, Mid: 'static,

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

where Value: 'static,