Bump version.

CHANGELOG.md

@@ -1,4 +1,7 @@
 # Changelog
+## [4.0.2] - 2022-9-26
+- Fix unexpected deadlock on `result` fn.
+
 ## [4.0.1] - 2022-9-26
 - Small Optimization
    * Added `IntoResult` trait to convert `Option<T>` into `Result<T, E>`

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "flowync"
-version = "4.0.1"
+version = "4.0.2"
 authors = ["Ar37-rs <[email protected]>"]
 edition = "2021"
 description = "A simple utility for multithreading a/synchronization"

src/lib.rs

@@ -227,14 +227,11 @@ where
     ///
     /// **Warning!** don't use this fn if channel value is important, use `extract fn` and then use `finalize fn` instead.
     pub fn result(&self, f: impl FnOnce(Result<R, String>)) {
+        if self.state.channel_present.load(Ordering::Relaxed) {
+            let _ = self.state.mtx.lock().unwrap().0.take();
+            self.state.cvar.notify_all();
+        }
         if self.state.result_ready.load(Ordering::Relaxed) {
-            {
-                if self.state.channel_present.load(Ordering::Relaxed) {
-                    let _ = self.state.mtx.lock().unwrap().0.take();
-                    self.state.cvar.notify_all();
-                }
-            }
-
             let _self = self;
             let catch = move || {
                 let mut result_value = _self.state.mtx.lock().unwrap();