[rustc.git] / vendor / rayon-core / src / private.rs

//! The public parts of this private module are used to create traits
//! that cannot be implemented outside of our own crate.  This way we
//! can feel free to extend those traits without worrying about it
//! being a breaking change for other implementations.

/// If this type is pub but not publicly reachable, third parties
/// can't name it and can't implement traits using it.
#[allow(missing_debug_implementations)]
pub struct PrivateMarker;

macro_rules! private_decl {
    () => {
        /// This trait is private; this method exists to make it
        /// impossible to implement outside the crate.
        #[doc(hidden)]
        fn __rayon_private__(&self) -> crate::private::PrivateMarker;
    };
}

macro_rules! private_impl {
    () => {
        fn __rayon_private__(&self) -> crate::private::PrivateMarker {
            crate::private::PrivateMarker
        }
    };
}
Commit	Line	Data
416331ca XL	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)]
	9	pub struct PrivateMarker;
	10
	11	macro_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)]
f035d41b	16	fn __rayon_private__(&self) -> crate::private::PrivateMarker;
1b1a35ee	17	};
416331ca XL	18	}
	19
	20	macro_rules! private_impl {
	21	() => {
f035d41b XL	22	fn __rayon_private__(&self) -> crate::private::PrivateMarker {
f035d41b XL	23	crate::private::PrivateMarker
416331ca	24	}
1b1a35ee	25	};
416331ca	26	}