Struct napi::CallContext

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pub struct CallContext<'env> {
    pub env: &'env mut Env,
    pub length: usize,
    /* private fields */
}
Expand description

Function call context

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§env: &'env mut Env§length: usize

arguments.length

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impl<'env> CallContext<'env>

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pub fn new( env: &'env mut Env, callback_info: napi_callback_info, raw_this: napi_value, args: &'env [napi_value], length: usize ) -> Self

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pub fn get<ArgType: FromNapiValue>(&self, index: usize) -> Result<ArgType>

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pub fn try_get<ArgType: NapiValue + TypeName + FromNapiValue>( &self, index: usize ) -> Result<Either<ArgType, JsUndefined>>

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pub fn get_all(&self) -> Vec<JsUnknown>

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pub fn get_new_target<V>(&self) -> Result<V>where V: NapiValue,

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pub fn this<T: NapiValue>(&self) -> Result<T>

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pub fn this_unchecked<T: NapiValue>(&self) -> T

Auto Trait Implementations§

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impl<'env> RefUnwindSafe for CallContext<'env>

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impl<'env> !Send for CallContext<'env>

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impl<'env> !Sync for CallContext<'env>

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impl<'env> Unpin for CallContext<'env>

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impl<'env> !UnwindSafe for CallContext<'env>

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,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

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>,

const: unstable · source§

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, 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.