From 27719b6a189027ec11b762bd812db023f679c230 Mon Sep 17 00:00:00 2001
From: Artem Vorotnikov <artem@vorotnikov.me>
Date: Thu, 20 Jun 2024 04:39:44 +0300
Subject: [PATCH] Use associated item bounds syntax

---
 Cargo.toml          |  1 +
 src/orm/cursor.rs   | 27 +++++++++------------------
 src/orm/database.rs |  2 +-
 3 files changed, 11 insertions(+), 19 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 140dd5a..582dc87 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "libmdbx"
 version = "0.5.0"
 edition = "2021"
+rust-version = "1.79"
 license = "MPL-2.0"
 description = "Idiomatic and safe MDBX wrapper."
 documentation = "https://docs.rs/libmdbx"
diff --git a/src/orm/cursor.rs b/src/orm/cursor.rs
index 9099808..8f9d843 100644
--- a/src/orm/cursor.rs
+++ b/src/orm/cursor.rs
@@ -34,8 +34,7 @@ fn map_res_inner<T, E>(
     v: Result<Option<(DecodableWrapper<T::Key>, DecodableWrapper<T::Value>)>, E>,
 ) -> anyhow::Result<Option<(T::Key, T::Value)>>
 where
-    T: Table,
-    <T as Table>::Key: Decodable,
+    T: Table<Key: Decodable>,
     E: std::error::Error + Send + Sync + 'static,
 {
     if let Some((k, v)) = v? {
@@ -105,14 +104,12 @@ where
         start: Option<T::SeekKey>,
     ) -> impl Iterator<Item = anyhow::Result<(T::Key, T::Value)>>
     where
-        T: Table,
-        T::Key: Decodable,
+        T: Table<Key: Decodable>,
     {
         struct I<'tx, K, T>
         where
             K: TransactionKind,
-            T: Table,
-            T::Key: Decodable,
+            T: Table<Key: Decodable>,
         {
             cursor: Cursor<'tx, K, T>,
             start: Option<T::SeekKey>,
@@ -123,8 +120,7 @@ where
         impl<'tx, K, T> Iterator for I<'tx, K, T>
         where
             K: TransactionKind,
-            T: Table,
-            T::Key: Decodable,
+            T: Table<Key: Decodable>,
         {
             type Item = anyhow::Result<(T::Key, T::Value)>;
 
@@ -155,14 +151,12 @@ where
         start: Option<T::SeekKey>,
     ) -> impl Iterator<Item = anyhow::Result<(T::Key, T::Value)>>
     where
-        T: Table,
-        T::Key: Decodable,
+        T: Table<Key: Decodable>,
     {
         struct I<'tx, K, T>
         where
             K: TransactionKind,
-            T: Table,
-            T::Key: Decodable,
+            T: Table<Key: Decodable>,
         {
             cursor: Cursor<'tx, K, T>,
             start: Option<T::SeekKey>,
@@ -173,8 +167,7 @@ where
         impl<'tx, K, T> Iterator for I<'tx, K, T>
         where
             K: TransactionKind,
-            T: Table,
-            T::Key: Decodable,
+            T: Table<Key: Decodable>,
         {
             type Item = anyhow::Result<(T::Key, T::Value)>;
 
@@ -275,8 +268,7 @@ where
         struct I<'tx, K, T>
         where
             K: TransactionKind,
-            T: DupSort,
-            T::Key: Clone + Decodable,
+            T: DupSort<Key: Clone + Decodable>,
         {
             cursor: Cursor<'tx, K, T>,
             start: Option<T::Key>,
@@ -288,8 +280,7 @@ where
         impl<'tx, K, T> Iterator for I<'tx, K, T>
         where
             K: TransactionKind,
-            T: DupSort,
-            T::Key: Clone + Decodable,
+            T: DupSort<Key: Clone + Decodable>,
         {
             type Item = anyhow::Result<T::Value>;
 
diff --git a/src/orm/database.rs b/src/orm/database.rs
index 3b956ff..8cf78ce 100644
--- a/src/orm/database.rs
+++ b/src/orm/database.rs
@@ -161,7 +161,7 @@ where
 
     pub fn decode_key(encoded: &[u8]) -> anyhow::Result<T::Key>
     where
-        <T as Table>::Key: Decodable,
+        T::Key: Decodable,
     {
         <T::Key as Decodable>::decode(encoded)
     }