fix clippy

Author: sfackler

codegen/src/type_gen.rs

@@ -136,10 +136,7 @@ impl<'a> DatParser<'a> {
     fn peek(&mut self, target: char) -> bool {
         self.skip_ws();
 
-        match self.it.peek() {
-            Some((_, ch)) if *ch == target => true,
-            _ => false,
-        }
+        matches!(self.it.peek(), Some((_, ch)) if *ch == target)
     }
 
     fn eof(&mut self) {

postgres-protocol/src/authentication/sasl.rs

@@ -330,10 +330,7 @@ impl<'a> Parser<'a> {
     }
 
     fn printable(&mut self) -> io::Result<&'a str> {
-        self.take_while(|c| match c {
-            '\x21'..='\x2b' | '\x2d'..='\x7e' => true,
-            _ => false,
-        })
+        self.take_while(|c| matches!(c, '\x21'..='\x2b' | '\x2d'..='\x7e'))
     }
 
     fn nonce(&mut self) -> io::Result<&'a str> {
@@ -343,10 +340,7 @@ impl<'a> Parser<'a> {
     }
 
     fn base64(&mut self) -> io::Result<&'a str> {
-        self.take_while(|c| match c {
-            'a'..='z' | 'A'..='Z' | '0'..='9' | '/' | '+' | '=' => true,
-            _ => false,
-        })
+        self.take_while(|c| matches!(c, 'a'..='z' | 'A'..='Z' | '0'..='9' | '/' | '+' | '='))
     }
 
     fn salt(&mut self) -> io::Result<&'a str> {
@@ -356,10 +350,7 @@ impl<'a> Parser<'a> {
     }
 
     fn posit_number(&mut self) -> io::Result<u32> {
-        let n = self.take_while(|c| match c {
-            '0'..='9' => true,
-            _ => false,
-        })?;
+        let n = self.take_while(|c| matches!(c, '0'..='9'))?;
         n.parse()
             .map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))
     }
@@ -396,10 +387,7 @@ impl<'a> Parser<'a> {
     }
 
     fn value(&mut self) -> io::Result<&'a str> {
-        self.take_while(|c| match c {
-            '\0' | '=' | ',' => false,
-            _ => true,
-        })
+        self.take_while(|c| matches!(c, '\0' | '=' | ','))
     }
 
     fn server_error(&mut self) -> io::Result<Option<&'a str>> {

postgres-types/src/lib.rs

@@ -144,10 +144,7 @@ const NSEC_PER_USEC: u64 = 1_000;
 macro_rules! accepts {
     ($($expected:ident),+) => (
         fn accepts(ty: &$crate::Type) -> bool {
-            match *ty {
-                $($crate::Type::$expected)|+ => true,
-                _ => false
-            }
+            matches!(*ty, $($crate::Type::$expected)|+)
         }
     )
 }

postgres-types/src/special.rs

@@ -75,10 +75,7 @@ impl<'a, T: FromSql<'a>> FromSql<'a> for Timestamp<T> {
     }
 
     fn accepts(ty: &Type) -> bool {
-        match *ty {
-            Type::TIMESTAMP | Type::TIMESTAMPTZ if T::accepts(ty) => true,
-            _ => false,
-        }
+        matches!(*ty, Type::TIMESTAMP | Type::TIMESTAMPTZ if T::accepts(ty))
     }
 }
 
@@ -99,10 +96,7 @@ impl<T: ToSql> ToSql for Timestamp<T> {
     }
 
     fn accepts(ty: &Type) -> bool {
-        match *ty {
-            Type::TIMESTAMP | Type::TIMESTAMPTZ if T::accepts(ty) => true,
-            _ => false,
-        }
+        matches!(*ty, Type::TIMESTAMP | Type::TIMESTAMPTZ if T::accepts(ty))
     }
 
     to_sql_checked!();