Remove cast to usize for BytePos and CharPos

The case shouldn't be necessary and implicitly truncating BytePos is not desirable.
rust-lang · Sep 21, 2020 · 9a1f177 · 9a1f177
1 parent b4b4a2f
commit 9a1f177
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
@@ -1596,7 +1596,7 @@ macro_rules! impl_pos {
 
                 #[inline(always)]
                 fn add(self, rhs: $ident) -> $ident {
-                    $ident((self.to_usize() + rhs.to_usize()) as $inner_ty)
+                    $ident(self.0 + rhs.0)
                 }
             }
 
@@ -1605,7 +1605,7 @@ macro_rules! impl_pos {
 
                 #[inline(always)]
                 fn sub(self, rhs: $ident) -> $ident {
-                    $ident((self.to_usize() - rhs.to_usize()) as $inner_ty)
+                    $ident(self.0 - rhs.0)
                 }
             }
         )*