tidy api

Author: frankmcsherry

communication/src/initialize.rs

@@ -282,12 +282,9 @@ pub struct WorkerGuards<T:Send+'static> {
 
 impl<T:Send+'static> WorkerGuards<T> {
 
-    /// Returns the number of guards.
-    pub fn len(&self) -> usize { self.guards.len() }
-
     /// Returns a reference to the indexed guard.
-    pub fn guard(&self, index: usize) -> &std::thread::JoinHandle<T> {
-        &self.guards[index]
+    pub fn guards(&self) -> &[std::thread::JoinHandle<T>] {
+        &self.guards[..]
     }
 
     /// Waits on the worker threads and returns the results they produce.