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internal: add deref_mut to minicore

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This commit is contained in:
Aleksey Kladov 2021-06-16 10:30:29 +03:00
parent 2980fd430d
commit d2c9f3add1
3 changed files with 49 additions and 35 deletions
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8
crates/test_utils/src/minicore.rs
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@ -13,6 +13,7 @@
//! range:
//! unsize: sized
//! deref: sized
//! deref_mut: deref
//! coerce_unsized: unsize
//! pin:
//! future: pin
@ -64,8 +65,15 @@ pub mod ops {
type Target: ?Sized;
fn deref(&self) -> &Self::Target;
}
// region:deref_mut
#[lang = "deref_mut"]
pub trait DerefMut: Deref {
fn deref_mut(&mut self) -> &mut Self::Target;
}
// endregion:deref_mut
}
pub use self::deref::Deref;
pub use self::deref::DerefMut; //:deref_mut
// endregion:deref
// region:range