From 3264c92292d0b419052bec3518f7c2073c0530d3 Mon Sep 17 00:00:00 2001
From: rise0chen <rise0chen@163.com>
Date: Wed, 28 Jul 2021 15:09:57 +0800
Subject: [PATCH] impl Default

---
 src/histbuf.rs | 6 ++++++
 src/mpmc.rs    | 6 ++++++
 src/spsc.rs    | 6 ++++++
 3 files changed, 18 insertions(+)

diff --git a/src/histbuf.rs b/src/histbuf.rs
index 3a70d8fa..7104e797 100644
--- a/src/histbuf.rs
+++ b/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;
diff --git a/src/mpmc.rs b/src/mpmc.rs
index 45519a91..9ab4e4c1 100644
--- a/src/mpmc.rs
+++ b/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> {
diff --git a/src/spsc.rs b/src/spsc.rs
index 4a341aae..e7e4ee49 100644
--- a/src/spsc.rs
+++ b/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,