Enum wasmtime_component_util::DiscriminantSize

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pub enum DiscriminantSize {
    Size1,
    Size2,
    Size4,
}

Expand description

Represents the possible sizes in bytes of the discriminant of a variant type in the component model

Variants

`Size1`

8-bit discriminant

`Size2`

16-bit discriminant

`Size4`

32-bit discriminant

Implementations

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impl DiscriminantSize

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pub fn from_count(count: usize) -> Option<Self>

Calculate the size of discriminant needed to represent a variant with the specified number of cases.

Trait Implementations

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impl Clone for DiscriminantSize

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fn clone(&self) -> DiscriminantSize

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 DiscriminantSize

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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 From<DiscriminantSize> for u32

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fn from(size: DiscriminantSize) -> u32

Size of the discriminant as a u32

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impl From<DiscriminantSize> for usize

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fn from(size: DiscriminantSize) -> usize

Size of the discriminant as a usize

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impl Copy for DiscriminantSize

Auto Trait Implementations

impl RefUnwindSafe for DiscriminantSize

impl Send for DiscriminantSize

impl Sync for DiscriminantSize

impl Unpin for DiscriminantSize

impl UnwindSafe for DiscriminantSize

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,

const: unstable · source

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,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

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,

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 for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum wasmtime_component_util::DiscriminantSize

Variants

Size1

Size2

Size4

Implementations

impl DiscriminantSize

pub fn from_count(count: usize) -> Option<Self>

Trait Implementations

impl Clone for DiscriminantSize

fn clone(&self) -> DiscriminantSize

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

impl Debug for DiscriminantSize

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

impl From<DiscriminantSize> for u32

fn from(size: DiscriminantSize) -> u32

impl From<DiscriminantSize> for usize

fn from(size: DiscriminantSize) -> usize

impl Copy for DiscriminantSize

Auto Trait Implementations

impl RefUnwindSafe for DiscriminantSize

impl Send for DiscriminantSize

impl Sync for DiscriminantSize

impl Unpin for DiscriminantSize

impl UnwindSafe for DiscriminantSize

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

`Size1`

`Size2`

`Size4`

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,