Trait dyn_context::StateRef

pub trait StateRef {
    fn merge_and_then<T>(
        self, 
        f: impl FnOnce(&dyn State) -> T, 
        other: &dyn State
    ) -> T;
}

Provides method allowing combine two read-only States into one.

Required methods

fn merge_and_then<T>(
    self,
    f: impl FnOnce(&dyn State) -> T,
    other: &dyn State
) -> T

Merges two states into one and calls provided function with the combined state.

Implementors

impl StateRef for &dyn State

impl<C: State> StateRef for &C