Trait StateOption 

pub trait StateOption<T> {
    type Saver: StateSaver<T>;

    // Required method
    fn save_state(&self) -> Self::Saver;
}

Trait implemented by compile-time state option tags passed to ChainLockTransaction::until_done.

Required Associated Types

type Saver: StateSaver<T>

The RAII StateSaver type instantiated for this option.

Required Methods

fn save_state(&self) -> Self::Saver

Saves the environment state for the duration of the transaction and returns the RAII StateSaver.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<T, O: StateOption<T>> StateOption<T> for Option<O>

type Saver = <O as StateOption<T>>::Saver