Enum wasi_common::wasi::types::Advice

#[repr(u8)]pub enum Advice {
    Normal,
    Sequential,
    Random,
    Willneed,
    Dontneed,
    Noreuse,
}

Variants

Normal

Sequential

Random

Willneed

Dontneed

Noreuse

Trait Implementations

impl Clone for Advice

fn clone(&self) -> Advice

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Advice

impl Debug for Advice

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

Formats the value using the given formatter.

impl Display for Advice

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

Formats the value using the given formatter.

impl Eq for Advice

impl From<Advice> for u8

fn from(e: Advice) -> u8

Performs the conversion.

impl From<Advice> for i32

fn from(e: Advice) -> i32

Performs the conversion.

impl<'a> GuestType<'a> for Advice

fn guest_size() -> u32

Returns the size, in bytes, of this type in the guest memory.

fn guest_align() -> usize

Returns the required alignment of this type, in bytes, for both guest and host memory.

fn read(location: &GuestPtr<'_, Advice>) -> Result<Advice, GuestError>

Reads this value from the provided ptr.

fn write(location: &GuestPtr<'_, Advice>, val: Self) -> Result<(), GuestError>

Writes a value to ptr after verifying that ptr is indeed valid to store val.

impl<'a> GuestTypeTransparent<'a> for Advice

fn validate(location: *mut Advice) -> Result<(), GuestError>

Checks that the memory at ptr is a valid representation of Self.

impl Hash for Advice

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl PartialEq<Advice> for Advice

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

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl StructuralEq for Advice

impl StructuralPartialEq for Advice

impl TryFrom<i32> for Advice

type Error = GuestError

The type returned in the event of a conversion error.

fn try_from(value: i32) -> Result<Advice, GuestError>

Performs the conversion.

impl TryFrom<u8> for Advice

type Error = GuestError

The type returned in the event of a conversion error.

fn try_from(value: u8) -> Result<Advice, GuestError>

Performs the conversion.