Trait medea_reactive::Whenable

pub trait Whenable<D: 'static> {
    fn when(
        &self, 
        assert_fn: Box<dyn Fn(&D) -> bool>
    ) -> LocalBoxFuture<'static, Result<(), DroppedError>>;
}

Abstraction over ObservableField::when and ObservableField::when_eq implementations for custom types.

Required methods

fn when(
    &self,
    assert_fn: Box<dyn Fn(&D) -> bool>
) -> LocalBoxFuture<'static, Result<(), DroppedError>>

This function will be called on ObservableField::when.

Should return [LocalBoxFuture] to which will be sent () when provided assert_fn returns true.

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Implementations on Foreign Types

impl<D: 'static> Whenable<D> for RefCell<Vec<UniversalSubscriber<D>>>

fn when(
    &self,
    assert_fn: Box<dyn Fn(&D) -> bool>
) -> LocalBoxFuture<'static, Result<(), DroppedError>>

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Implementors

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