1//! The public parts of this private module are used to create traits
2//! that cannot be implemented outside of our own crate. This way we
3//! can feel free to extend those traits without worrying about it
4//! being a breaking change for other implementations.
5
6/// If this type is pub but not publicly reachable, third parties
7/// can't name it and can't implement traits using it.
8#[allow(missing_debug_implementations)]
9pub struct PrivateMarker;
10
11macro_rules! private_decl {
12 () => {
13 /// This trait is private; this method exists to make it
14 /// impossible to implement outside the crate.
15 #[doc(hidden)]
16 fn __rayon_private__(&self) -> crate::private::PrivateMarker;
17 };
18}
19
20macro_rules! private_impl {
21 () => {
22 fn __rayon_private__(&self) -> crate::private::PrivateMarker {
23 crate::private::PrivateMarker
24 }
25 };
26}
27