From e86ba5f7d30045e25bc94eb62586df1dbee28f7f Mon Sep 17 00:00:00 2001
From: jean-airoldie <25088801+jean-airoldie@users.noreply.github.com>
Date: Tue, 5 Nov 2019 20:24:50 -0500
Subject: [PATCH] Add contraints to {Serializer,Deserializer}Acceptor

This allows the user to retreive concrete types from the
serializer & deserializer output.
---
 src/lib.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index ed8e327f..2ec6c12e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -51,7 +51,9 @@ pub trait DeserializerAcceptor<'a> {
     /// The return type for the accept method
     type Output;
     /// Accept a serde::Deserializer and do whatever you want with it.
-    fn accept<T: serde::Deserializer<'a>>(self, T) -> Self::Output;
+    fn accept<T>(self, T) -> Self::Output
+    where
+        T: serde::Deserializer<'a, Error = Error>;
 }
 
 /// An object that implements this trait can be passed a
@@ -63,7 +65,9 @@ pub trait SerializerAcceptor {
     /// The return type for the accept method
     type Output;
     /// Accept a serde::Serializer and do whatever you want with it.
-    fn accept<T: serde::Serializer>(self, T) -> Self::Output;
+    fn accept<T>(self, T) -> Self::Output
+    where
+        T: serde::Serializer<Ok = (), Error = Error>;
 }
 
 /// Get a default configuration object.