pub struct InstanceType(/* private fields */);
Expand description

Represents an instance type.

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impl InstanceType

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pub fn new() -> Self

Creates a new instance type.

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pub fn core_type(&mut self) -> CoreTypeEncoder<'_>

Define a core type in this instance type.

The returned encoder must be used before adding another definition.

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pub fn ty(&mut self) -> ComponentTypeEncoder<'_>

Define a type in this instance type.

The returned encoder must be used before adding another definition.

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pub fn alias(&mut self, alias: Alias<'_>) -> &mut Self

Defines an outer core type alias in this component type.

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pub fn export(&mut self, name: &str, ty: ComponentTypeRef) -> &mut Self

Defines an export in this instance type.

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pub fn core_type_count(&self) -> u32

Gets the number of core types that have been added to this instance type.

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pub fn type_count(&self) -> u32

Gets the number of types that have been added or aliased in this instance type.

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pub fn instance_count(&self) -> u32

Gets the number of instances that have been imported or exported or aliased in this instance type.

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pub fn is_empty(&self) -> bool

Returns whether or not this instance type is empty.

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pub fn len(&self) -> u32

Returns the number of entries added to this instance types.

Trait Implementations§

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impl Clone for InstanceType

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fn clone(&self) -> InstanceType

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 InstanceType

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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 Default for InstanceType

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fn default() -> InstanceType

Returns the “default value” for a type. Read more
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impl Encode for InstanceType

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fn encode(&self, sink: &mut Vec<u8>)

Encode the type into the given byte sink.

Auto Trait Implementations§

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> 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.