Update to syn 0.14

Cargo.toml

@@ -14,5 +14,5 @@ maintenance = { status = "as-is" }
 
 
 [dependencies]
-syn = {version = "0.12", features = ["parsing", "printing", "clone-impls", "full", "extra-traits", "visit"]}
+syn = {version = "0.14", features = ["parsing", "printing", "clone-impls", "full", "extra-traits", "visit"]}
 clap = "2"

src/main.rs

@@ -53,39 +53,39 @@ pub struct UnsafeCounter {
 }
 
 impl<'ast> visit::Visit<'ast> for UnsafeCounter {
-    fn visit_item_fn(&mut self, i: &'ast syn::ItemFn) {
+    fn visit_item_fn(&mut self, i: &syn::ItemFn) {
         // fn definitions
         self.functions.count(i.unsafety.is_some());
         visit::visit_item_fn(self, i);
     }
 
-    fn visit_expr(&mut self, i: &'ast syn::Expr) {
+    fn visit_expr(&mut self, i: &syn::Expr) {
         // Total number of expressions of any type
         self.exprs.count(self.in_unsafe_block);
         visit::visit_expr(self, i);
     }
 
-    fn visit_expr_unsafe(&mut self, i: &'ast syn::ExprUnsafe) {
+    fn visit_expr_unsafe(&mut self, i: &syn::ExprUnsafe) {
         // unsafe {} expression blocks
         self.in_unsafe_block = true;
         visit::visit_expr_unsafe(self, i);
         self.in_unsafe_block = false;
     }
 
-    fn visit_item_impl(&mut self, i: &'ast syn::ItemImpl) {
+    fn visit_item_impl(&mut self, i: &syn::ItemImpl) {
         // unsafe trait impl's
         self.itemimpls.count(i.unsafety.is_some());
         visit::visit_item_impl(self, i);
     }
 
-    fn visit_item_trait(&mut self, i: &'ast syn::ItemTrait) {
+    fn visit_item_trait(&mut self, i: &syn::ItemTrait) {
         // Unsafe traits
         self.itemtraits.count(i.unsafety.is_some());
         visit::visit_item_trait(self, i);
 
     }
 
-    fn visit_impl_item_method(&mut self, i: &'ast syn::ImplItemMethod) {
+    fn visit_impl_item_method(&mut self, i: &syn::ImplItemMethod) {
         self.methods.count(i.sig.unsafety.is_some());
         visit::visit_impl_item_method(self, i);
     }