allow clippy manual ascii check for definitions of them

Author: hkBst

library/core/src/num/mod.rs

@@ -584,6 +584,7 @@ impl u8 {
     #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")]
     #[rustc_const_stable(feature = "const_ascii_methods_on_intrinsics", since = "1.52.0")]
     #[inline]
+    #[allow(clippy::manual_ignore_case_cmp)] // exempt by being the one true definition
     pub const fn eq_ignore_ascii_case(&self, other: &u8) -> bool {
         self.to_ascii_lowercase() == other.to_ascii_lowercase()
     }
@@ -671,6 +672,7 @@ impl u8 {
     #[must_use]
     #[stable(feature = "ascii_ctype_on_intrinsics", since = "1.24.0")]
     #[rustc_const_stable(feature = "const_ascii_ctype_on_intrinsics", since = "1.47.0")]
+    #[allow(clippy::manual_is_ascii_check)] // exempt by being the one true definition
     #[inline]
     pub const fn is_ascii_alphabetic(&self) -> bool {
         matches!(*self, b'A'..=b'Z' | b'a'..=b'z')
@@ -705,6 +707,7 @@ impl u8 {
     #[must_use]
     #[stable(feature = "ascii_ctype_on_intrinsics", since = "1.24.0")]
     #[rustc_const_stable(feature = "const_ascii_ctype_on_intrinsics", since = "1.47.0")]
+    #[allow(clippy::manual_is_ascii_check)] // exempt by being the one true definition
     #[inline]
     pub const fn is_ascii_uppercase(&self) -> bool {
         matches!(*self, b'A'..=b'Z')
@@ -739,6 +742,7 @@ impl u8 {
     #[must_use]
     #[stable(feature = "ascii_ctype_on_intrinsics", since = "1.24.0")]
     #[rustc_const_stable(feature = "const_ascii_ctype_on_intrinsics", since = "1.47.0")]
+    #[allow(clippy::manual_is_ascii_check)] // exempt by being the one true definition
     #[inline]
     pub const fn is_ascii_lowercase(&self) -> bool {
         matches!(*self, b'a'..=b'z')
@@ -776,9 +780,10 @@ impl u8 {
     #[must_use]
     #[stable(feature = "ascii_ctype_on_intrinsics", since = "1.24.0")]
     #[rustc_const_stable(feature = "const_ascii_ctype_on_intrinsics", since = "1.47.0")]
+    #[allow(clippy::manual_is_ascii_check)] // exempt by being the one true definition
     #[inline]
     pub const fn is_ascii_alphanumeric(&self) -> bool {
-        matches!(*self, b'0'..=b'9') | matches!(*self, b'A'..=b'Z') | matches!(*self, b'a'..=b'z')
+        matches!(*self, b'0'..=b'9' | b'A'..=b'Z' | b'a'..=b'z')
     }
 
     /// Checks if the value is an ASCII decimal digit:
@@ -810,6 +815,7 @@ impl u8 {
     #[must_use]
     #[stable(feature = "ascii_ctype_on_intrinsics", since = "1.24.0")]
     #[rustc_const_stable(feature = "const_ascii_ctype_on_intrinsics", since = "1.47.0")]
+    #[allow(clippy::manual_is_ascii_check)] // exempt by being the one true definition
     #[inline]
     pub const fn is_ascii_digit(&self) -> bool {
         matches!(*self, b'0'..=b'9')
@@ -841,6 +847,7 @@ impl u8 {
     /// ```
     #[must_use]
     #[unstable(feature = "is_ascii_octdigit", issue = "101288")]
+    #[allow(clippy::manual_is_ascii_check)] // exempt by being the one true definition
     #[inline]
     pub const fn is_ascii_octdigit(&self) -> bool {
         matches!(*self, b'0'..=b'7')
@@ -878,9 +885,10 @@ impl u8 {
     #[must_use]
     #[stable(feature = "ascii_ctype_on_intrinsics", since = "1.24.0")]
     #[rustc_const_stable(feature = "const_ascii_ctype_on_intrinsics", since = "1.47.0")]
+    #[allow(clippy::manual_is_ascii_check)] // exempt by being the one true definition
     #[inline]
     pub const fn is_ascii_hexdigit(&self) -> bool {
-        matches!(*self, b'0'..=b'9') | matches!(*self, b'A'..=b'F') | matches!(*self, b'a'..=b'f')
+        matches!(*self, b'0'..=b'9' | b'A'..=b'F' | b'a'..=b'f')
     }
 
     /// Checks if the value is an ASCII punctuation character: