Trait CheckpointExt 

pub trait CheckpointExt {
    // Required method
    fn get_state_value(&self, key: &str) -> Option<u64>;
}

Checkpoint 扩展 — 便捷读取物化状态中的值。

Required Methods

fn get_state_value(&self, key: &str) -> Option<u64>

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl CheckpointExt for Checkpoint