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NativeCall

Struct NativeCall 

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

Where a host function finds its receiver, arguments, new.target and captured values, read through a NativeCx. The arguments stay in the register file, rooted, while the body runs.

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impl NativeCall

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pub fn this(&self, cx: &NativeCx<'_>) -> Value

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pub fn arg(&self, cx: &NativeCx<'_>, index: usize) -> Value

Argument index; undefined past NativeCall::argc.

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pub fn argc(&self) -> usize

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pub fn args<'a>(&self, cx: &'a NativeCx<'_>) -> &'a [Value]

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pub fn new_target(&self) -> Value

new.target; undefined for a call.

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pub fn is_construct(&self) -> bool

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pub fn callee(&self) -> Value

The function object called.

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pub fn data(&self, cx: &NativeCx<'_>, slot: usize) -> Value

Captured value slot.

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pub fn set_data(&self, cx: &mut NativeCx<'_>, slot: usize, value: Value)

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pub fn data_len(&self, cx: &NativeCx<'_>) -> usize

The number of captured values.

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impl Clone for NativeCall

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for NativeCall

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impl Debug for NativeCall

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

Formats the value using the given formatter. Read more

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> 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<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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.