src/lib.rs

@@ -1,5 +1,3 @@
-#![feature(const_trait_impl)]
-
 #[macro_use]
 extern crate tracing;
 
@@ -29,38 +27,47 @@ pub struct ReqComps(u8);
 impl ReqComps {
     #[inline]
     pub const fn contains(self, mask: ReqComp) -> bool {
-        (self & mask).0 == mask as u8
+        self.bitand_one(mask).0 == mask as u8
     }
 
     #[inline]
-    pub const fn contains_all(self, mask: ReqComps) -> bool {
-        self & mask == mask
+    pub const fn contains_all(self, mask: Self) -> bool {
+        self.bitand_self(mask).0 == mask.0
+    }
+
+    #[inline]
+    const fn bitand_self(self, rhs: Self) -> Self {
+        Self((self.0 as u8) & (rhs.0 as u8))
+    }
+
+    #[inline]
+    const fn bitand_one(self, rhs: ReqComp) -> Self {
+        Self((self.0 as u8) & (rhs as u8))
     }
 }
 
-impl const Default for ReqComps {
+impl Default for ReqComps {
     #[inline]
     fn default() -> Self {
         Self(0)
     }
 }
 
-// unfortunately, the automatic Into impl will not be const.
-impl const From<ReqComp> for ReqComps {
+impl From<ReqComp> for ReqComps {
     #[inline]
     fn from(comp: ReqComp) -> Self {
         Self(comp as u8)
     }
 }
 
-impl const core::cmp::PartialEq for ReqComps {
+impl core::cmp::PartialEq for ReqComps {
     #[inline]
     fn eq(&self, comp: &Self) -> bool {
         self.0 == comp.0
     }
 }
 
-impl const core::ops::BitOr for ReqComp {
+impl core::ops::BitOr for ReqComp {
     type Output = ReqComps;
 
     #[inline]
@@ -69,16 +76,16 @@ impl const core::ops::BitOr for ReqComp {
     }
 }
 
-impl const core::ops::BitOr for ReqComps {
+impl core::ops::BitOr for ReqComps {
     type Output = ReqComps;
 
     #[inline]
     fn bitor(self, rhs: Self) -> Self::Output {
-        ReqComps((self.0 as u8) | (rhs.0 as u8))
+        ReqComps(self.0 | rhs.0)
     }
 }
 
-impl const core::ops::BitOr<ReqComp> for ReqComps {
+impl core::ops::BitOr<ReqComp> for ReqComps {
     type Output = ReqComps;
 
     #[inline]
@@ -87,7 +94,6 @@ impl const core::ops::BitOr<ReqComp> for ReqComps {
     }
 }
 
-// TODO make `const` when is "stable" #57349 <https://github.com/rust-lang/rust/issues/57349>
 impl core::ops::BitOrAssign for ReqComps {
     #[inline]
     fn bitor_assign(&mut self, rhs: ReqComps) {
@@ -95,7 +101,6 @@ impl core::ops::BitOrAssign for ReqComps {
     }
 }
 
-// TODO make `const` when is "stable" #57349 <https://github.com/rust-lang/rust/issues/57349>
 impl core::ops::BitOrAssign<ReqComp> for ReqComps {
     #[inline]
     fn bitor_assign(&mut self, rhs: ReqComp) {
@@ -103,7 +108,7 @@ impl core::ops::BitOrAssign<ReqComp> for ReqComps {
     }
 }
 
-impl const core::ops::BitAnd for ReqComp {
+impl core::ops::BitAnd for ReqComp {
     type Output = ReqComps;
 
     #[inline]
@@ -112,21 +117,21 @@ impl const core::ops::BitAnd for ReqComp {
     }
 }
 
-impl const core::ops::BitAnd for ReqComps {
+impl core::ops::BitAnd for ReqComps {
     type Output = ReqComps;
 
     #[inline]
     fn bitand(self, rhs: Self) -> Self::Output {
-        ReqComps((self.0 as u8) & (rhs.0 as u8))
+        self.bitand_self(rhs)
     }
 }
 
-impl const core::ops::BitAnd<ReqComp> for ReqComps {
+impl core::ops::BitAnd<ReqComp> for ReqComps {
     type Output = ReqComps;
 
     #[inline]
     fn bitand(self, rhs: ReqComp) -> Self::Output {
-        ReqComps((self.0 as u8) & (rhs as u8))
+        self.bitand_one(rhs)
     }
 }
 
@@ -151,7 +156,7 @@ pub struct LogMiddleware {
     pub components: ReqComps,
 }
 
-impl const Default for LogMiddleware {
+impl Default for LogMiddleware {
     #[inline]
     fn default() -> Self {
         Self {