Fix clippy warnings for 1.68 toolchain

compiler/src/util.rs

@@ -48,7 +48,7 @@ impl<'a> Iterator for NameSpliter<'a> {
         let mut meet_lower = false;
         for i in self.pos..self.name.len() {
             let c = self.name[i];
-            if (b'A'..=b'Z').contains(&c) {
+            if c.is_ascii_uppercase() {
                 if meet_lower {
                     // So it should be AaA or aaA
                     pos = i;

ttrpc-codegen/src/model.rs

@@ -8,20 +8,15 @@ use crate::str_lit::StrLit;
 use protobuf_support::lexer::float;
 
 /// Protobox syntax
-#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Default)]
 pub enum Syntax {
     /// Protobuf syntax [2](https://developers.google.com/protocol-buffers/docs/proto) (default)
+    #[default]
     Proto2,
     /// Protobuf syntax [3](https://developers.google.com/protocol-buffers/docs/proto3)
     Proto3,
 }
 
-impl Default for Syntax {
-    fn default() -> Syntax {
-        Syntax::Proto2
-    }
-}
-
 /// A field rule
 #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
 pub enum Rule {

ttrpc-codegen/src/parser.rs

@@ -387,11 +387,11 @@ impl<'a> Lexer<'a> {
 
     // capitalLetter =  "A" … "Z"
     fn _next_capital_letter_opt(&mut self) -> Option<char> {
-        self.next_char_if(|c| ('A'..='Z').contains(&c))
+        self.next_char_if(|c| c.is_ascii_uppercase())
     }
 
     fn is_ascii_alphanumeric(c: char) -> bool {
-        ('a'..='z').contains(&c) || ('A'..='Z').contains(&c) || ('0'..='9').contains(&c)
+        c.is_ascii_lowercase() || c.is_ascii_uppercase() || c.is_ascii_digit()
     }
 
     fn next_ident_part(&mut self) -> Option<char> {
@@ -417,7 +417,7 @@ impl<'a> Lexer<'a> {
     // Integer literals
 
     fn is_ascii_hexdigit(c: char) -> bool {
-        ('0'..='9').contains(&c) || ('a'..='f').contains(&c) || ('A'..='F').contains(&c)
+        c.is_ascii_digit() || ('a'..='f').contains(&c) || ('A'..='F').contains(&c)
     }
 
     // hexLit     = "0" ( "x" | "X" ) hexDigit { hexDigit }
@@ -433,7 +433,7 @@ impl<'a> Lexer<'a> {
     }
 
     fn is_ascii_digit(c: char) -> bool {
-        ('0'..='9').contains(&c)
+        c.is_ascii_digit()
     }
 
     // decimalLit = ( "1" … "9" ) { decimalDigit }
@@ -458,7 +458,7 @@ impl<'a> Lexer<'a> {
     fn next_hex_digit(&mut self) -> ParserResult<u32> {
         let mut clone = *self;
         let r = match clone.next_char()? {
-            c if ('0'..='9').contains(&c) => c as u32 - b'0' as u32,
+            c if c.is_ascii_digit() => c as u32 - b'0' as u32,
             c if ('A'..='F').contains(&c) => c as u32 - b'A' as u32 + 10,
             c if ('a'..='f').contains(&c) => c as u32 - b'a' as u32 + 10,
             _ => return Err(ParserError::ExpectHexDigit),
@@ -482,7 +482,7 @@ impl<'a> Lexer<'a> {
     fn next_decimal_digit(&mut self) -> ParserResult<u32> {
         let mut clone = *self;
         let r = match clone.next_char()? {
-            c if ('0'..='9').contains(&c) => c as u32 - '0' as u32,
+            c if c.is_ascii_digit() => c as u32 - '0' as u32,
             _ => return Err(ParserError::ExpectDecDigit),
         };
         *self = clone;
@@ -492,7 +492,7 @@ impl<'a> Lexer<'a> {
     // decimals  = decimalDigit { decimalDigit }
     fn next_decimal_digits(&mut self) -> ParserResult<()> {
         self.next_decimal_digit()?;
-        self.take_while(|c| ('0'..='9').contains(&c));
+        self.take_while(|c| c.is_ascii_digit());
         Ok(())
     }
 
@@ -1029,7 +1029,7 @@ impl<'a> Parser<'a> {
     }
 
     fn is_ascii_uppercase(c: char) -> bool {
-        ('A'..='Z').contains(&c)
+        c.is_ascii_uppercase()
     }
 
     // groupName = capitalLetter { letter | decimalDigit | "_" }