Struct Tag

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#[repr(C)]
pub struct Tag { /* private fields */ }

Available on crate feature runtime only.

Expand description

A WebAssembly tag.

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impl Tag

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pub fn new(store: impl AsContextMut, ty: &TagType) -> Result<Tag>

Create a new tag instance from a given TagType.

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This function will panic when used with a Store which has a ResourceLimiterAsync (see also: Store::limiter_async. When using an async resource limiter, use [Tag::new_async] instead.

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pub fn ty(&self, store: impl AsContext) -> TagType

Returns the underlying type of this tag.

§Panics

Panics if store does not own this tag.

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pub fn eq(a: &Tag, b: &Tag, store: impl AsContext) -> bool

Determines whether this tag is reference equal to the other given tag in the given store.

§Panics

Panics if either tag do not belong to the given store.

Trait Implementations§

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impl Clone for Tag

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fn clone(&self) -> Tag

Returns a duplicate 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 Tag

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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<Tag> for Extern

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fn from(t: Tag) -> Self

Converts to this type from the input type.

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impl Copy for Tag

Auto Trait Implementations§

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impl UnwindSafe for Tag

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, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. 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 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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