Struct sp_wasm_interface::ExtendedHostFunctions

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pub struct ExtendedHostFunctions<Base, Overlay> { /* private fields */ }
Expand description

A wrapper which merges two sets of host functions, and allows the second set to override the host functions from the first set.

Trait Implementations§

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impl<Base, Overlay> HostFunctions for ExtendedHostFunctions<Base, Overlay>where Base: HostFunctions, Overlay: HostFunctions,

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fn host_functions() -> Vec<&'static dyn Function>

Returns the host functions Self provides.
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fn register_static<T>(registry: &mut T) -> Result<(), T::Error>where T: HostFunctionRegistry,

Statically registers the host functions.

Auto Trait Implementations§

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impl<Base, Overlay> RefUnwindSafe for ExtendedHostFunctions<Base, Overlay>where Base: RefUnwindSafe, Overlay: RefUnwindSafe,

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impl<Base, Overlay> Send for ExtendedHostFunctions<Base, Overlay>where Base: Send, Overlay: Send,

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impl<Base, Overlay> Sync for ExtendedHostFunctions<Base, Overlay>where Base: Sync, Overlay: Sync,

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impl<Base, Overlay> Unpin for ExtendedHostFunctions<Base, Overlay>where Base: Unpin, Overlay: Unpin,

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impl<Base, Overlay> UnwindSafe for ExtendedHostFunctions<Base, Overlay>where Base: UnwindSafe, Overlay: UnwindSafe,

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> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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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.
const: unstable · source§

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.
const: unstable · source§

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

Performs the conversion.
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impl<T> MaybeRefUnwindSafe for Twhere T: RefUnwindSafe,