Enable termination token.

2020-11-02 11:04:45 +08:00
parent b07a2aa79c
commit 6f3ce96d9d
9 changed files with 82 additions and 122 deletions
--- a/src/engine_api.rs
+++ b/src/engine_api.rs
@@ -1732,12 +1732,12 @@ impl Engine {
    ///
    /// engine.on_progress(move |&ops| {
    ///     if ops > 10000 {
-    ///         false
+    ///         Some("Over 10,000 operations!".into())
    ///     } else if ops % 800 == 0 {
    ///         *logger.write().unwrap() = ops;
-    ///         true
+    ///         None
    ///     } else {
-    ///         true
+    ///         None
    ///     }
    /// });
    ///
@@ -1752,7 +1752,7 @@ impl Engine {
    #[inline(always)]
    pub fn on_progress(
        &mut self,
-        callback: impl Fn(&u64) -> bool + SendSync + 'static,
+        callback: impl Fn(&u64) -> Option<Dynamic> + SendSync + 'static,
    ) -> &mut Self {
        self.progress = Some(Box::new(callback));
        self