fix clippy lints

src/atom/parsers.rs

@@ -77,7 +77,7 @@ impl<'a> Parseable<'a, &'a str> for VersionNumbers {
             .map(|output: &str| VersionNumber(output.to_string()))
             .separated_by(tag("."))
             .at_least(1)
-            .map(|numbers| VersionNumbers(numbers))
+            .map(VersionNumbers)
     }
 }
 
@@ -88,7 +88,7 @@ impl<'a> Parseable<'a, &'a str> for VersionSuffixes {
         VersionSuffix::parser()
             .separated_by(tag("_"))
             .at_least(1)
-            .map(|suffixes| VersionSuffixes(suffixes))
+            .map(VersionSuffixes)
     }
 }
 
@@ -180,8 +180,8 @@ impl<'a> Parseable<'a, &'a str> for Slot {
             .opt()
             .and(SlotName::parser().preceded_by(tag("/")).opt())
             .and(SlotOperator::parser().opt())
-            .map(|((slot, sub), operator)| Slot {
-                slot,
+            .map(|((primary, sub), operator)| Slot {
+                primary,
                 sub,
                 operator,
             })
@@ -201,6 +201,7 @@ impl<'a> Parseable<'a, &'a str> for UseDepSign {
 impl<'a> Parseable<'a, &'a str> for UseDep {
     type Parser = impl Parser<&'a str, Output = Self>;
 
+    #[allow(clippy::many_single_char_names)]
     fn parser() -> Self::Parser {
         let a = UseFlag::parser()
             .and(UseDepSign::parser().opt())
@@ -321,7 +322,7 @@ impl<'a> Parseable<'a, &'a str> for Atom {
                         .numbers()
                         .get()
                         .iter()
-                        .any(|number| number.get().contains("*")) =>
+                        .any(|number| number.get().contains('*')) =>
                 {
                     true
                 }
@@ -414,7 +415,7 @@ mod test {
     fn test_invalid_usedep() {
         let it = InputIter::new("foo-bar:slot/sub=[!use]");
 
-        assert!(Atom::parser().check_finished(it).is_err())
+        assert!(Atom::parser().check_finished(it).is_err());
     }
 
     #[test]