From e3577250ebf82e3bccbd54405029cfb2c53501fb Mon Sep 17 00:00:00 2001
From: Sunli <scott_s829@163.com>
Date: Fri, 29 May 2020 12:42:58 +0800
Subject: [PATCH] Remove premature generic constraints of DataSource type.

---
 src/types/connection/mod.rs   | 8 ++++----
 src/types/connection/slice.rs | 7 ++-----
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/types/connection/mod.rs b/src/types/connection/mod.rs
index 01f6cb37..6f3d71aa 100644
--- a/src/types/connection/mod.rs
+++ b/src/types/connection/mod.rs
@@ -6,7 +6,7 @@ mod edge;
 mod page_info;
 mod slice;
 
-use crate::{Context, FieldResult, ObjectType, OutputValueType};
+use crate::{Context, FieldResult};
 pub use connection_type::Connection;
 pub use cursor::CursorType;
 pub use edge::Edge;
@@ -115,19 +115,19 @@ pub trait DataSource {
     type CursorType: CursorType + Send + Sync;
 
     /// Record type
-    type NodeType: OutputValueType + Send;
+    type NodeType;
 
     /// Additional fields for connection
     ///
     /// Is a type that implements `ObjectType` and can be defined by the procedure macro `#[Object]` or `#[SimpleObject]`.
     ///
-    type ConnectionFieldsType: ObjectType + Send;
+    type ConnectionFieldsType;
 
     /// Additional fields for edge
     ///
     /// Is a type that implements `ObjectType` and can be defined by the procedure macro `#[Object]` or `#[SimpleObject]`.
     ///
-    type EdgeFieldsType: ObjectType + Send;
+    type EdgeFieldsType;
 
     /// Parses the parameters and executes the query.
     async fn query(
diff --git a/src/types/connection/slice.rs b/src/types/connection/slice.rs
index 92178b1d..fa313eb5 100644
--- a/src/types/connection/slice.rs
+++ b/src/types/connection/slice.rs
@@ -1,12 +1,9 @@
 use crate::connection::{Connection, DataSource, Edge, EmptyFields};
-use crate::{Context, FieldResult, OutputValueType};
+use crate::{Context, FieldResult};
 use async_graphql_derive::DataSource;
 
 #[DataSource(internal)]
-impl<'a, T> DataSource for &'a [T]
-where
-    T: OutputValueType + Send + Sync + 'a,
-{
+impl<'a, T: Send + Sync> DataSource for &'a [T] {
     type CursorType = usize;
     type NodeType = &'a T;
     type ConnectionFieldsType = EmptyFields;