bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/test-utils/src/minicore.rs')
-rw-r--r--crates/test-utils/src/minicore.rs48
1 files changed, 48 insertions, 0 deletions
diff --git a/crates/test-utils/src/minicore.rs b/crates/test-utils/src/minicore.rs
index 6df29db474..10386b5b7b 100644
--- a/crates/test-utils/src/minicore.rs
+++ b/crates/test-utils/src/minicore.rs
@@ -37,6 +37,7 @@
//! add:
//! as_ref: sized
//! drop:
+//! generator: pin
pub mod marker {
// region:sized
@@ -182,6 +183,19 @@ pub mod ops {
type Target: ?Sized;
fn deref(&self) -> &Self::Target;
}
+
+ impl<T: ?Sized> Deref for &T {
+ type Target = T;
+ fn deref(&self) -> &T {
+ loop {}
+ }
+ }
+ impl<T: ?Sized> Deref for &mut T {
+ type Target = T;
+ fn deref(&self) -> &T {
+ loop {}
+ }
+ }
// region:deref_mut
#[lang = "deref_mut"]
pub trait DerefMut: Deref {
@@ -347,6 +361,27 @@ pub mod ops {
fn add(self, rhs: Rhs) -> Self::Output;
}
// endregion:add
+
+ // region:generator
+ mod generator {
+ use crate::pin::Pin;
+
+ #[lang = "generator"]
+ pub trait Generator<R = ()> {
+ type Yield;
+ #[lang = "generator_return"]
+ type Return;
+ fn resume(self: Pin<&mut Self>, arg: R) -> GeneratorState<Self::Yield, Self::Return>;
+ }
+
+ #[lang = "generator_state"]
+ pub enum GeneratorState<Y, R> {
+ Yielded(Y),
+ Complete(R),
+ }
+ }
+ pub use self::generator::{Generator, GeneratorState};
+ // endregion:generator
}
// region:eq
@@ -455,6 +490,19 @@ pub mod pin {
pub struct Pin<P> {
pointer: P,
}
+ impl<P> Pin<P> {
+ pub fn new(pointer: P) -> Pin<P> {
+ loop {}
+ }
+ }
+ // region:deref
+ impl<P: crate::ops::Deref> crate::ops::Deref for Pin<P> {
+ type Target = P::Target;
+ fn deref(&self) -> &P::Target {
+ loop {}
+ }
+ }
+ // endregion:deref
}
// endregion:pin