Trait JobLog 

pub trait JobLog: Send + Sync {
    // Required method
    fn append(&self, op: Vec<u8>) -> Result<(), String>;

    // Provided method
    fn max_op(&self) -> usize { ... }
}

复制写入的去处（网关：追加进账本日志）。失败时返回原因。

Required Methods

fn append(&self, op: Vec<u8>) -> Result<(), String>

Provided Methods

fn max_op(&self) -> usize

一条操作的编码字节上限（超过的写入不复制，例如很大的附件）。默认不限。

Dyn Compatibility

This trait is dyn compatible.

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

Implementors