Trait std::ops::Deref
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[src]
pub trait Deref {
type Target: ?Sized;
fn deref(&self) -> &Self::Target;
}The Deref trait is used to specify the functionality of dereferencing
operations, like *v.
Deref also enables 'Deref coercions'.
Examples
A struct with a single field which is accessible via dereferencing the struct.
use std::ops::Deref; struct DerefExample<T> { value: T } impl<T> Deref for DerefExample<T> { type Target = T; fn deref(&self) -> &T { &self.value } } fn main() { let x = DerefExample { value: 'a' }; assert_eq!('a', *x); }use std::ops::Deref; struct DerefExample<T> { value: T } impl<T> Deref for DerefExample<T> { type Target = T; fn deref(&self) -> &T { &self.value } } fn main() { let x = DerefExample { value: 'a' }; assert_eq!('a', *x); }
Associated Types
Required Methods
Implementors
impl<'b, T> Deref for Ref<'b, T> where T: ?Sizedimpl<'b, T> Deref for RefMut<'b, T> where T: ?Sizedimpl<T> Deref for Unique<T> where T: ?Sizedimpl<T> Deref for Shared<T> where T: ?Sizedimpl<T> Deref for Box<T> where T: ?Sizedimpl<T> Deref for Rc<T> where T: ?Sizedimpl<'a, B> Deref for Cow<'a, B> where B: ToOwned + ?Sizedimpl Deref for Stringimpl<T> Deref for Vec<T>impl Deref for CStringimpl Deref for OsStringimpl<T> Deref for AssertUnwindSafe<T>impl<T> Deref for AssertRecoverSafe<T>impl Deref for PathBufimpl<T> Deref for Arc<T> where T: ?Sizedimpl<'mutex, T: ?Sized> Deref for MutexGuard<'mutex, T>impl<'rwlock, T: ?Sized> Deref for RwLockReadGuard<'rwlock, T>impl<'rwlock, T: ?Sized> Deref for RwLockWriteGuard<'rwlock, T>