async haxx (public Priority)

macros/src/codegen/resources.rs

@@ -56,7 +56,8 @@ pub fn codegen(
                 #[allow(non_camel_case_types)]
                 #(#cfgs)*
                 pub struct #name<'a> {
-                    priority: &'a Priority,
+                    // PER: this is unsound
+                    pub priority: &'a Priority,
                 }
 
                 #(#cfgs)*

macros/src/codegen/resources_struct.rs

@@ -165,6 +165,7 @@ pub fn codegen(
     let constructor = quote!(
         impl<#lt> #ident<#lt> {
             #[inline(always)]
+            // pub const unsafe fn new(#arg) -> Self {
             pub unsafe fn new(#arg) -> Self {
                 #ident {
                     #(#values,)*

src/export.rs

@@ -78,7 +78,7 @@ impl Priority {
     ///
     /// Will overwrite the current Priority
     #[inline(always)]
-    pub unsafe fn new(value: u8) -> Self {
+    pub const unsafe fn new(value: u8) -> Self {
         Priority {
             inner: Cell::new(value),
         }
@@ -98,6 +98,9 @@ impl Priority {
     }
 }
 
+// PER: not sure if this is a problem
+unsafe impl Sync for Priority {}
+
 #[inline(always)]
 pub fn assert_send<T>()
 where