rayon_core/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
}
};
}