[−][src]Struct napi::JsUnknown
Implementations
impl JsUnknown
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pub fn into_unknown(self) -> JsUnknown
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pub fn coerce_to_number(self) -> Result<JsNumber>
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pub fn coerce_to_string(self) -> Result<JsString>
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pub fn coerce_to_object(self) -> Result<JsObject>
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pub fn is_date(&self) -> Result<bool>
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pub fn is_promise(&self) -> Result<bool>
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pub fn is_error(&self) -> Result<bool>
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pub fn is_typedarray(&self) -> Result<bool>
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pub fn is_dataview(&self) -> Result<bool>
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pub fn is_array(&self) -> Result<bool>
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pub fn is_buffer(&self) -> Result<bool>
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pub fn instanceof<Constructor: NapiValue>(
&self,
constructor: Constructor
) -> Result<bool>
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&self,
constructor: Constructor
) -> Result<bool>
impl JsUnknown
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pub fn get_type(&self) -> Result<ValueType>
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pub unsafe fn cast<V>(&self) -> V where
V: NapiValue,
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V: NapiValue,
Safety
This function should be called after JsUnknown::get_type
And the V
must be match with the return value of get_type
Trait Implementations
impl NapiValue for JsUnknown
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unsafe fn from_raw(env: napi_env, value: napi_value) -> Result<Self>
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unsafe fn from_raw_unchecked(env: napi_env, value: napi_value) -> Self
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unsafe fn raw(&self) -> napi_value
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get raw js value ptr
impl TryFrom<JsUnknown> for JsUndefined
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsUndefined>
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impl TryFrom<JsUnknown> for JsNull
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsNull>
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impl TryFrom<JsUnknown> for JsGlobal
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsGlobal>
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impl TryFrom<JsUnknown> for JsDate
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsDate>
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impl TryFrom<JsUnknown> for JsTimeout
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsTimeout>
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impl TryFrom<JsUnknown> for JsFunction
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsFunction>
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impl TryFrom<JsUnknown> for JsExternal
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsExternal>
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impl TryFrom<JsUnknown> for JsSymbol
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsSymbol>
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impl TryFrom<JsUnknown> for JsBoolean
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsBoolean>
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impl TryFrom<JsUnknown> for JsBuffer
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsBuffer>
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impl TryFrom<JsUnknown> for JsArrayBuffer
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsArrayBuffer>
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impl TryFrom<JsUnknown> for JsTypedArray
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsTypedArray>
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impl TryFrom<JsUnknown> for JsDataView
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsDataView>
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impl TryFrom<JsUnknown> for JsNumber
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsNumber>
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impl TryFrom<JsUnknown> for JsString
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type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: JsUnknown) -> Result<JsString>
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impl TryFrom<JsUnknown> for JsObject
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Auto Trait Implementations
impl RefUnwindSafe for JsUnknown
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impl !Send for JsUnknown
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impl !Sync for JsUnknown
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impl Unpin for JsUnknown
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impl UnwindSafe for JsUnknown
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,