pub enum ReadError {
NotSupported,
ContextLost,
}
Expand description
Error that can happen when reading from a buffer.
Variants§
NotSupported
The backend doesn’t support reading from a buffer.
ContextLost
The context has been lost. Reading from the buffer would return garbage data.
Trait Implementations§
source§impl Error for ReadError
impl Error for ReadError
1.30.0 · source§fn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
Returns the lower-level source of this error, if any. Read more
1.0.0 · source§fn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0: use the Display impl or to_string()
impl Copy for ReadError
Auto Trait Implementations§
impl Freeze for ReadError
impl RefUnwindSafe for ReadError
impl Send for ReadError
impl Sync for ReadError
impl Unpin for ReadError
impl UnwindSafe for ReadError
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> CloneToUninit for Twhere
T: Copy,
impl<T> CloneToUninit for Twhere
T: Copy,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> Content for Twhere
T: Copy,
impl<T> Content for Twhere
T: Copy,
source§unsafe fn read<F, E>(size: usize, f: F) -> Result<T, E>
unsafe fn read<F, E>(size: usize, f: F) -> Result<T, E>
Prepares an output buffer, then turns this buffer into an
Owned
.
User-provided closure F
must only write to and not read from &mut Self
.source§fn get_elements_size() -> usize
fn get_elements_size() -> usize
Returns the size of each element.
source§fn to_void_ptr(&self) -> *const ()
fn to_void_ptr(&self) -> *const ()
Produces a pointer to the data.
source§fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut T>
fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut T>
Builds a pointer to this type from a raw pointer.
source§fn is_size_suitable(size: usize) -> bool
fn is_size_suitable(size: usize) -> bool
Returns true if the size is suitable to store a type like this.