style: fix rust-analyzer lint warnings

crates/regex/src/config.rs

@@ -87,7 +87,7 @@ impl Config {
         Ok(ConfiguredHIR {
             original: pattern.to_string(),
             config: self.clone(),
-            analysis: analysis,
+            analysis,
             // If CRLF mode is enabled, replace `$` with `(?:\r?$)`.
             expr: if self.crlf { crlfify(expr) } else { expr },
         })
@@ -282,7 +282,7 @@ impl ConfiguredHIR {
             original: self.original.clone(),
             config: self.config.clone(),
             analysis: self.analysis.clone(),
-            expr: expr,
+            expr,
         })
     }
 }

crates/regex/src/literal.rs

@@ -35,7 +35,7 @@ impl LiteralSets {
         LiteralSets {
             prefixes: Literals::prefixes(expr),
             suffixes: Literals::suffixes(expr),
-            required: required,
+            required,
         }
     }
 

crates/regex/src/matcher.rs

@@ -54,9 +54,9 @@ impl RegexMatcherBuilder {
         trace!("final regex: {:?}", matcher.regex());
         Ok(RegexMatcher {
             config: self.config.clone(),
-            matcher: matcher,
-            fast_line_regex: fast_line_regex,
-            non_matching_bytes: non_matching_bytes,
+            matcher,
+            fast_line_regex,
+            non_matching_bytes,
         })
     }