rustix::fs

Enum Advice

Source 
#[repr(u32)]
pub enum Advice {
    Normal = 0,
    Sequential = 2,
    Random = 1,
    NoReuse = 5,
    WillNeed = 3,
    DontNeed = 4,
}
Available on crate feature fs only.
Expand description

POSIX_FADV_* constants for use with fadvise.

Variants§

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Normal = 0

POSIX_FADV_NORMAL

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Sequential = 2

POSIX_FADV_SEQUENTIAL

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Random = 1

POSIX_FADV_RANDOM

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NoReuse = 5

POSIX_FADV_NOREUSE

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WillNeed = 3

POSIX_FADV_WILLNEED

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DontNeed = 4

POSIX_FADV_DONTNEED

Trait Implementations§

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impl Clone for Advice

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fn clone(&self) -> Advice

Returns a copy 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 Debug for Advice

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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 PartialEq for Advice

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fn eq(&self, other: &Advice) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for Advice

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impl Eq for Advice

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impl StructuralPartialEq for Advice

Auto Trait Implementations§

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impl Freeze for Advice

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impl RefUnwindSafe for Advice

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impl Send for Advice

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impl Sync for Advice

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impl Unpin for Advice

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impl UnwindSafe for Advice

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, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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<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.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 4 bytes

Size for each variant:

  • Normal: 0 bytes
  • Sequential: 0 bytes
  • Random: 0 bytes
  • NoReuse: 0 bytes
  • WillNeed: 0 bytes
  • DontNeed: 0 bytes