diff options
Diffstat (limited to 'src/marker.rs')
-rw-r--r-- | src/marker.rs | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/src/marker.rs b/src/marker.rs index e8874bd..23b94ce 100644 --- a/src/marker.rs +++ b/src/marker.rs @@ -4,18 +4,14 @@ use core::panic::{RefUnwindSafe, UnwindSafe}; // Zero sized marker with the correct set of autotrait impls we want all proc // macro types to have. -pub(crate) type Marker = PhantomData<ProcMacroAutoTraits>; +#[derive(Copy, Clone)] +#[cfg_attr( + all(procmacro2_semver_exempt, any(not(wrap_proc_macro), super_unstable)), + derive(PartialEq, Eq) +)] +pub(crate) struct ProcMacroAutoTraits(PhantomData<Rc<()>>); -pub(crate) use self::value::*; - -mod value { - pub(crate) use core::marker::PhantomData as Marker; -} - -pub(crate) struct ProcMacroAutoTraits( - #[allow(dead_code)] // https://github.com/rust-lang/rust/issues/119645 - Rc<()>, -); +pub(crate) const MARKER: ProcMacroAutoTraits = ProcMacroAutoTraits(PhantomData); impl UnwindSafe for ProcMacroAutoTraits {} impl RefUnwindSafe for ProcMacroAutoTraits {} |