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RustPython/crates/common/src/rc.rs at typelock · RustPython/RustPython · GitHub

12 lines (10 loc) · 384 Bytes

#[cfg(not(feature = "threading"))]
use alloc::rc::Rc;
#[cfg(feature = "threading")]
use alloc::sync::Arc;
// type aliases instead of new-types because you can't do `fn method(self: PyRc<Self>)` with a
// newtype; requires the arbitrary_self_types unstable feature
#[cfg(feature = "threading")]
pub type PyRc<T> = Arc<T>;
#[cfg(not(feature = "threading"))]
pub type PyRc<T> = Rc<T>;

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