pub trait ProgressCallback: Send + Sync {
// Required methods
fn start(&self, info: ProgressInfo) -> ProgressId;
fn update_message(&self, id: ProgressId, message: String);
fn increment(&self, id: ProgressId, delta: u64);
fn finish(&self, id: ProgressId, final_message: String);
}Expand description
进度回调 trait
实现此 trait 以自定义进度条的显示方式