fix clippy warnings (#1806)

* fix clippy warnings

* prevent CI fail status caused by codecov

src/middleware/compress.rs

@@ -192,10 +192,7 @@ impl AcceptEncoding {
         };
         let quality = match parts.len() {
             1 => encoding.quality(),
-            _ => match f64::from_str(parts[1]) {
-                Ok(q) => q,
-                Err(_) => 0.0,
-            },
+            _ => f64::from_str(parts[1]).unwrap_or(0.0),
         };
         Some(AcceptEncoding { encoding, quality })
     }

src/middleware/condition.rs

@@ -105,6 +105,7 @@ mod tests {
     use crate::test::{self, TestRequest};
     use crate::HttpResponse;
 
+    #[allow(clippy::unnecessary_wraps)]
     fn render_500<B>(mut res: ServiceResponse<B>) -> Result<ErrorHandlerResponse<B>> {
         res.response_mut()
             .headers_mut()

src/middleware/errhandlers.rs

@@ -154,6 +154,7 @@ mod tests {
     use crate::test::{self, TestRequest};
     use crate::HttpResponse;
 
+    #[allow(clippy::unnecessary_wraps)]
     fn render_500<B>(mut res: ServiceResponse<B>) -> Result<ErrorHandlerResponse<B>> {
         res.response_mut()
             .headers_mut()

src/types/payload.rs

@@ -241,9 +241,10 @@ pub struct PayloadConfig {
 impl PayloadConfig {
     /// Create `PayloadConfig` instance and set max size of payload.
     pub fn new(limit: usize) -> Self {
-        let mut cfg = Self::default();
-        cfg.limit = limit;
-        cfg
+        Self {
+            limit,
+            ..Default::default()
+        }
     }
 
     /// Change max size of payload. By default max size is 256Kb