Bump syn and siphasher

Author: laurmaedje

Cargo.toml

@@ -12,4 +12,4 @@ keywords = ["incremental", "memoization", "tracked", "constraints"]
 
 [dependencies]
 comemo-macros = { version = "0.3", path = "macros" }
-siphasher = "0.3"
+siphasher = "1"

macros/Cargo.toml

@@ -14,4 +14,4 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1"
 quote = "1"
-syn = { version = "1", features = ["full"] }
+syn = { version = "2", features = ["full"] }

macros/src/track.rs

@@ -69,7 +69,7 @@ enum Kind {
 
 /// Preprocess and validate a method in an impl block.
 fn prepare_impl_method(item: &syn::ImplItem) -> Result<Method> {
-    let syn::ImplItem::Method(method) = item else {
+    let syn::ImplItem::Fn(method) = item else {
         bail!(item, "only methods can be tracked");
     };
 
@@ -78,7 +78,7 @@ fn prepare_impl_method(item: &syn::ImplItem) -> Result<Method> {
 
 /// Preprocess and validate a method in a trait.
 fn prepare_trait_method(item: &syn::TraitItem) -> Result<Method> {
-    let syn::TraitItem::Method(method) = item else {
+    let syn::TraitItem::Fn(method) = item else {
         bail!(item, "only methods can be tracked");
     };