pub enum CanonicalOption {
    UTF8,
    UTF16,
    CompactUTF16,
    Memory(u32),
    Realloc(u32),
    PostReturn(u32),
}
Expand description

Represents options for canonical function definitions.

Variants§

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UTF8

The string types in the function signature are UTF-8 encoded.

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UTF16

The string types in the function signature are UTF-16 encoded.

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CompactUTF16

The string types in the function signature are compact UTF-16 encoded.

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Memory(u32)

The memory to use if the lifting or lowering of a function requires memory access.

The value is an index to a core memory.

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Realloc(u32)

The realloc function to use if the lifting or lowering of a function requires memory allocation.

The value is an index to a core function of type (func (param i32 i32 i32 i32) (result i32)).

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PostReturn(u32)

The post-return function to use if the lifting of a function requires cleanup after the function returns.

Trait Implementations§

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impl Clone for CanonicalOption

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fn clone(&self) -> CanonicalOption

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 CanonicalOption

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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 Encode for CanonicalOption

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

Encode the type into the given byte sink.
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impl PartialEq<CanonicalOption> for CanonicalOption

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

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

This method 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 CanonicalOption

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impl Eq for CanonicalOption

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impl StructuralEq for CanonicalOption

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impl StructuralPartialEq for CanonicalOption

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.