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)>
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 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> 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>where
F: FnOnce(&mut T) -> Result<(), E>,
unsafe fn read<F, E>(size: usize, f: F) -> Result<T, E>where F: FnOnce(&mut T) -> Result<(), 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.