Struct ScreenResult 

pub struct ScreenResult { /* private fields */ }

A value a screen pops with (Transition::PopWith) for the screen below, which reads it back as its type in Screen::uncovered. Any 'static type will do; the two screens agree on which.

Implementations

impl ScreenResult

pub fn new<T>(value: T) -> ScreenResult

where T: Any,

value, to hand to the screen below.

pub fn is<T>(&self) -> bool

where T: Any,

Whether the value is a T.

pub fn get<T>(&self) -> Option<&T>

where T: Any,

The value, if it is a T.

pub fn take<T>(self) -> Option<T>

where T: Any,

The value, if it is a T; dropped if it isn’t.

pub fn downcast<T>(self) -> Result<T, ScreenResult>

where T: Any,

The value, if it is a T.

Errors

The result itself, unchanged, when its value is not a T.

Trait Implementations

impl Debug for ScreenResult

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.