Fix warnings on v0.8.X

src/api_call.rs

@@ -72,7 +72,7 @@ impl<'a> Builder<'a> {
         self
     }
 
-    pub fn build(&self) -> Result<ApiCall, Error> {
+    pub fn build(&self) -> Result<ApiCall<'_>, Error> {
         let kind = self.kind.ok_or_else(|| anyhow!("kind error"))?;
         Ok(ApiCall::new(
             kind,
@@ -86,7 +86,7 @@ impl<'a> Builder<'a> {
 use std::borrow::Cow;
 
 impl<'a> ApiCall<'a> {
-    pub fn builder(service: &'a Service) -> Builder {
+    pub fn builder(service: &'a Service) -> Builder<'a> {
         Builder::new(service)
     }
 
@@ -136,11 +136,11 @@ impl<'a> ApiCall<'a> {
         self.transaction().and_then(Transaction::user)
     }
 
-    pub fn usage(&self) -> Option<&Usage> {
+    pub fn usage(&self) -> Option<&Usage<'_>> {
         self.transaction().and_then(Transaction::usage)
     }
 
-    pub fn extensions(&self) -> Option<&List> {
+    pub fn extensions(&self) -> Option<&List<'_>> {
         self.extensions
     }
 

src/encoding.rs

@@ -11,6 +11,6 @@ const APISONATOR_EXTENSION_ENCODE_SET: &AsciiSet = &PATH_SEGMENT_ENCODE_SET
     .add(b'[')
     .add(b']');
 
-pub fn encode(s: &str) -> Cow<str> {
+pub fn encode(s: &str) -> Cow<'_, str> {
     utf8_percent_encode(s, APISONATOR_EXTENSION_ENCODE_SET).into()
 }

src/http/request.rs

@@ -48,7 +48,7 @@ impl Request {
         }
     }
 
-    pub fn uri_and_body(&self) -> (Cow<str>, Option<&str>) {
+    pub fn uri_and_body(&self) -> (Cow<'_, str>, Option<&str>) {
         (
             self.parameters.path_and_query(self.path),
             self.parameters.body(),

src/lib.rs

@@ -31,7 +31,7 @@ pub mod version;
 pub mod response;
 
 pub(crate) mod error {
-    pub use anyhow::{anyhow, Error, Result};
+    pub use anyhow::{anyhow, Error};
 }
 
 pub use error::Error;

src/response/metrics_hierarchy.rs

@@ -35,11 +35,11 @@ impl MetricsHierarchy {
         self.0.remove(parent_metric.as_ref())
     }
 
-    pub fn iter(&self) -> Iter<String, Vec<String>> {
+    pub fn iter(&self) -> Iter<'_, String, Vec<String>> {
         self.0.iter()
     }
 
-    pub fn iter_mut(&mut self) -> IterMut<String, Vec<String>> {
+    pub fn iter_mut(&mut self) -> IterMut<'_, String, Vec<String>> {
         self.0.iter_mut()
     }
 

src/transaction.rs

@@ -33,7 +33,7 @@ impl<'a> Transaction<'a> {
         self.user
     }
 
-    pub fn usage(&self) -> Option<&Usage> {
+    pub fn usage(&self) -> Option<&Usage<'_>> {
         self.usage
     }
 

src/util.rs

@@ -1,5 +1,6 @@
 #[macro_use]
 pub mod compat;
+#[cfg(feature = "http-types")]
 pub use compat::features::Never;
 
 pub mod string;

src/util/compat/features.rs

@@ -9,4 +9,5 @@ mod iterator_fold_self;
 pub use iterator_fold_self::IteratorFoldSelfExt;
 
 mod never;
+#[cfg(feature = "http-types")]
 pub use never::Never;