Struct napi::JsUndefined[−][src]

pub struct JsUndefined(_);

Implementations

impl JsUndefined[src]

pub fn into_unknown(self) -> JsUnknown[src]

pub fn coerce_to_number(self) -> Result<JsNumber>[src]

pub fn coerce_to_string(self) -> Result<JsString>[src]

pub fn coerce_to_object(self) -> Result<JsObject>[src]

pub fn is_date(&self) -> Result<bool>[src]

pub fn is_promise(&self) -> Result<bool>[src]

pub fn is_error(&self) -> Result<bool>[src]

pub fn is_typedarray(&self) -> Result<bool>[src]

pub fn is_dataview(&self) -> Result<bool>[src]

pub fn is_array(&self) -> Result<bool>[src]

pub fn is_buffer(&self) -> Result<bool>[src]

pub fn instanceof<Constructor>(&self, constructor: Constructor) -> Result<bool> where
    Constructor: NapiRaw, [src]

pub fn freeze(&mut self) -> Result<()>[src]

pub fn seal(&mut self) -> Result<()>[src]

Trait Implementations

impl Clone for JsUndefined[src]

fn clone(&self) -> JsUndefined[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl NapiRaw for JsUndefined[src]

unsafe fn raw(&self) -> napi_value[src]

impl<'env> NapiRaw for &'env JsUndefined[src]

unsafe fn raw(&self) -> napi_value[src]

impl NapiValue for JsUndefined[src]

unsafe fn from_raw(env: napi_env, value: napi_value) -> Result<JsUndefined>[src]

unsafe fn from_raw_unchecked(env: napi_env, value: napi_value) -> JsUndefined[src]

impl TryFrom<JsUnknown> for JsUndefined[src]

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: JsUnknown) -> Result<JsUndefined>[src]

Performs the conversion.

impl Copy for JsUndefined[src]

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

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>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

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

Performs the conversion.