PtrOrNull

dlopen::symbor

Struct PtrOrNull 

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pub struct PtrOrNull<'lib, T: 'lib> { /* private fields */ }
Expand description

Safe wrapper around const pointer.

It is recommended only for obtaining pointers that can have null value.

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impl<'lib, T> PtrOrNull<'lib, T>

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pub fn new(pointer: *const T) -> PtrOrNull<'lib, T>

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impl<'lib, T: Clone + 'lib> Clone for PtrOrNull<'lib, T>

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fn clone(&self) -> PtrOrNull<'lib, T>

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'lib, T: Debug + 'lib> Debug for PtrOrNull<'lib, T>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'lib, T> FromRawResult for PtrOrNull<'lib, T>

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unsafe fn from_raw_result( raw_result: Result<PtrOrNull<'_, ()>, Error>, ) -> Result<Self, Error>

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impl<'lib, T> Deref for PtrOrNull<'lib, T>

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type Target = *const T

The resulting type after dereferencing.
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fn deref(&self) -> &*const T

Dereferences the value.
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impl<'lib, T: Copy + 'lib> Copy for PtrOrNull<'lib, T>

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impl<'lib, T: Send> Send for PtrOrNull<'lib, T>

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impl<'lib, T: Sync> Sync for PtrOrNull<'lib, T>

Auto Trait Implementations§

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impl<'lib, T> Freeze for PtrOrNull<'lib, T>

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impl<'lib, T> RefUnwindSafe for PtrOrNull<'lib, T>
where T: RefUnwindSafe,

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impl<'lib, T> Unpin for PtrOrNull<'lib, T>

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impl<'lib, T> UnwindSafe for PtrOrNull<'lib, T>
where T: RefUnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.