Struct WritableOptionalKeyPath 

pub struct WritableOptionalKeyPath<Root, Value, F>
where
    F: for<'r> Fn(&'r mut Root) -> Option<&'r mut Value>,
{ /* private fields */ }

Implementations

impl<Root, Value, F> WritableOptionalKeyPath<Root, Value, F>

where F: for<'r> Fn(&'r mut Root) -> Option<&'r mut Value>,

pub fn new(getter: F) -> Self

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

pub fn then<SubValue, G>( self, next: WritableOptionalKeyPath<Value, SubValue, G>, ) -> WritableOptionalKeyPath<Root, SubValue, impl for<'r> Fn(&'r mut Root) -> Option<&'r mut SubValue>>

where G: for<'r> Fn(&'r mut Value) -> Option<&'r mut SubValue> + 'static, F: 'static, Value: 'static,

pub fn for_box<Target>( self, ) -> WritableOptionalKeyPath<Root, Target, impl for<'r> Fn(&'r mut Root) -> Option<&'r mut Target> + 'static>

where Value: DerefMut<Target = Target> + 'static, F: 'static,

pub fn for_arc<Target>( self, ) -> WritableOptionalKeyPath<Root, Target, impl for<'r> Fn(&'r mut Root) -> Option<&'r mut Target> + 'static>

where Value: DerefMut<Target = Target> + 'static, F: 'static,

pub fn for_rc<Target>( self, ) -> WritableOptionalKeyPath<Root, Target, impl for<'r> Fn(&'r mut Root) -> Option<&'r mut Target> + 'static>

where Value: DerefMut<Target = Target> + 'static, F: 'static,

pub fn for_option<T>() -> WritableOptionalKeyPath<Option<T>, T, impl for<'r> Fn(&'r mut Option<T>) -> Option<&'r mut T>>

impl<Root, Value, F> WritableOptionalKeyPath<Root, Value, F>

where F: for<'r> Fn(&'r mut Root) -> Option<&'r mut Value> + 'static, Root: Any + 'static, Value: Any + 'static,

pub fn to_partial(self) -> PartialWritableOptionalKeyPath<Root>

Convert to PartialWritableOptionalKeyPath (hides Value type)

pub fn to_any(self) -> AnyWritableKeyPath

Convert to AnyWritableKeyPath (hides both Root and Value types)

pub fn to(self) -> PartialWritableOptionalKeyPath<Root>

Convert to PartialWritableOptionalKeyPath (alias for to_partial())

Trait Implementations

impl<Root: Clone, Value: Clone, F> Clone for WritableOptionalKeyPath<Root, Value, F>

where F: for<'r> Fn(&'r mut Root) -> Option<&'r mut Value> + Clone,

fn clone(&self) -> WritableOptionalKeyPath<Root, Value, F>

Returns a duplicate of the value.

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

Performs copy-assignment from source.