From 2f45d5394a2f8a49442ff4798a4b1651c079f0ff Mon Sep 17 00:00:00 2001
From: Sean McArthur <sean@seanmonstar.com>
Date: Sat, 24 Feb 2018 11:53:55 -0800
Subject: [PATCH] feat(body): add `Body::is_empty()` method

---
 src/proto/body.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/proto/body.rs b/src/proto/body.rs
index fedd9b0938..f921118742 100644
--- a/src/proto/body.rs
+++ b/src/proto/body.rs
@@ -49,6 +49,22 @@ impl Body {
         let (tx, rx) = channel();
         (tx.tx, rx)
     }
+
+    /// Returns if this body was constructed via `Body::empty()`.
+    ///
+    /// # Note
+    ///
+    /// This does **not** detect if the body stream may be at the end, or
+    /// if the stream will not yield any chunks, in all cases. For instance,
+    /// a streaming body using `chunked` encoding is not able to tell if
+    /// there are more chunks immediately.
+    #[inline]
+    pub fn is_empty(&self) -> bool {
+        match self.0 {
+            Inner::Empty => true,
+            _ => false,
+        }
+    }
 }
 
 impl Default for Body {