ZeroTierOne/zeroidc/vendor/proc-macro2/src/marker.rs

18 lines
494 B
Rust

use std::marker::PhantomData;
use std::panic::{RefUnwindSafe, UnwindSafe};
use std::rc::Rc;
// Zero sized marker with the correct set of autotrait impls we want all proc
// macro types to have.
pub(crate) type Marker = PhantomData<ProcMacroAutoTraits>;
pub(crate) use self::value::*;
mod value {
pub(crate) use std::marker::PhantomData as Marker;
}
pub(crate) struct ProcMacroAutoTraits(Rc<()>);
impl UnwindSafe for ProcMacroAutoTraits {}
impl RefUnwindSafe for ProcMacroAutoTraits {}