impl Default

src/histbuf.rs

@@ -241,6 +241,12 @@ where
     }
 }
 
+impl<T, const N: usize> Default for HistoryBuffer<T, N> {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::HistoryBuffer;

src/mpmc.rs

@@ -178,6 +178,12 @@ impl<T, const N: usize> MpMcQueue<T, N> {
     }
 }
 
+impl<T, const N: usize> Default for MpMcQueue<T, N> {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 unsafe impl<T, const N: usize> Sync for MpMcQueue<T, N> where T: Send {}
 
 struct Cell<T> {

src/spsc.rs

@@ -297,6 +297,12 @@ impl<T, const N: usize> Queue<T, N> {
     }
 }
 
+impl<T, const N: usize> Default for Queue<T, N> {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl<T, const N: usize> Clone for Queue<T, N>
 where
     T: Clone,