From adfd6d4b3a0fe350b138e4cdd498eaf4c4fe621a Mon Sep 17 00:00:00 2001
From: Hendrik Sollich <hendrik@hoodie.de>
Date: Tue, 25 Jul 2023 20:37:34 +0200
Subject: [PATCH 1/2] fix: raise syn to 2.0

---
 Cargo.toml     |  2 +-
 src/helpers.rs | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 856b009..d05be72 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,6 +12,6 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-syn = "1"
+syn = "2"
 quote = "1"
 proc-macro2 = "1"
diff --git a/src/helpers.rs b/src/helpers.rs
index 2a24140..c47d72d 100644
--- a/src/helpers.rs
+++ b/src/helpers.rs
@@ -31,10 +31,12 @@ pub fn has_binding_arguments(segments: &[syn::PathSegment]) -> bool {
     if let Some(&syn::PathArguments::AngleBracketed(ref generics)) =
         segments.last().map(|x| &x.arguments)
     {
-        generics
-            .args
-            .iter()
-            .any(|f| matches!(f, syn::GenericArgument::Binding(_)))
+        generics.args.iter().any(|f| {
+            matches!(
+                f,
+                syn::GenericArgument::AssocConst(_) | syn::GenericArgument::AssocType(_)
+            )
+        })
     } else {
         false
     }

From 3bd94313d2ab357636474ac747745ded250e29db Mon Sep 17 00:00:00 2001
From: Hendrik Sollich <hendrik@hoodie.de>
Date: Tue, 25 Jul 2023 20:38:47 +0200
Subject: [PATCH 2/2] refactor: clippy

---
 src/helpers.rs    | 10 ++++------
 tests/borrowed.rs |  2 +-
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/helpers.rs b/src/helpers.rs
index c47d72d..9843691 100644
--- a/src/helpers.rs
+++ b/src/helpers.rs
@@ -1,7 +1,7 @@
 use crate::field_kind::FieldKind;
 
 pub fn has_lifetime_arguments(segments: &[syn::PathSegment]) -> bool {
-    if let Some(&syn::PathArguments::AngleBracketed(ref generics)) =
+    if let Some(syn::PathArguments::AngleBracketed(generics)) =
         segments.last().map(|x| &x.arguments)
     {
         generics
@@ -14,7 +14,7 @@ pub fn has_lifetime_arguments(segments: &[syn::PathSegment]) -> bool {
 }
 
 pub fn number_of_type_arguments(segments: &[syn::PathSegment]) -> usize {
-    if let Some(&syn::PathArguments::AngleBracketed(ref generics)) =
+    if let Some(syn::PathArguments::AngleBracketed(generics)) =
         segments.last().map(|x| &x.arguments)
     {
         generics
@@ -28,7 +28,7 @@ pub fn number_of_type_arguments(segments: &[syn::PathSegment]) -> usize {
 }
 
 pub fn has_binding_arguments(segments: &[syn::PathSegment]) -> bool {
-    if let Some(&syn::PathArguments::AngleBracketed(ref generics)) =
+    if let Some(syn::PathArguments::AngleBracketed(generics)) =
         segments.last().map(|x| &x.arguments)
     {
         generics.args.iter().any(|f| {
@@ -68,9 +68,7 @@ pub fn is_cow(segments: &[syn::PathSegment]) -> bool {
 }
 
 pub fn is_cow_alike(segments: &[syn::PathSegment]) -> bool {
-    if let Some(&syn::PathArguments::AngleBracketed(ref _data)) =
-        segments.last().map(|x| &x.arguments)
-    {
+    if let Some(syn::PathArguments::AngleBracketed(_data)) = segments.last().map(|x| &x.arguments) {
         has_lifetime_arguments(segments)
     } else {
         false
diff --git a/tests/borrowed.rs b/tests/borrowed.rs
index 40e86ed..d81cf2a 100644
--- a/tests/borrowed.rs
+++ b/tests/borrowed.rs
@@ -37,6 +37,6 @@ fn borrowed() {
 
 fn test<'b, 'a: 'b>(lives_longer: &Foo<'a>, lives_less: Foo<'b>) {
     drop(lives_less);
-    #[allow(clippy::drop_ref)]
+    #[allow(dropping_references)]
     drop(lives_longer);
 }