#[repr(i32)]
pub enum Advice {
Normal,
Sequential,
Random,
WillNeed,
DontNeed,
NoReuse,
}
Expand description
Advice to pass to Array::advise
to describe an expected access pattern.
This is a re-export of system_interface::fs::Advice
.
Advice to pass to FileIoExt::advise
.
Variants
Normal
No advice; default heuristics apply.
Sequential
Data will be accessed sequentially at ascending offsets.
Random
Data will be accessed with an irregular access pattern.
WillNeed
Data will be accessed soon.
DontNeed
Data will not be accessed soon.
NoReuse
Data will be accessed exactly once.
Trait Implementations
impl Eq for Advice
impl StructuralEq for Advice
impl StructuralPartialEq for Advice
Auto Trait Implementations
impl RefUnwindSafe for Advice
impl Send for Advice
impl Sync for Advice
impl Unpin for Advice
impl UnwindSafe for Advice
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> GetSetFdFlags for T
impl<T> GetSetFdFlags for T
sourcefn get_fd_flags(&self) -> Result<FdFlags, Error> where
T: AsFilelike,
fn get_fd_flags(&self) -> Result<FdFlags, Error> where
T: AsFilelike,
Query the “status” flags for the self
file descriptor.
sourcefn new_set_fd_flags(&self, fd_flags: FdFlags) -> Result<SetFdFlags<T>, Error> where
T: AsFilelike,
fn new_set_fd_flags(&self, fd_flags: FdFlags) -> Result<SetFdFlags<T>, Error> where
T: AsFilelike,
Create a new SetFdFlags
value for use with set_fd_flags
. Read more
sourcefn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error> where
T: AsFilelike,
fn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error> where
T: AsFilelike,
Set the “status” flags for the self
file descriptor. Read more