Struct napi::JsUndefined [−][src]
pub struct JsUndefined(_);
Implementations
impl JsUndefined
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impl JsUndefined
[src]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>(&self, constructor: Constructor) -> Result<bool> where
Constructor: NapiRaw,
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Constructor: NapiRaw,
pub fn freeze(&mut self) -> Result<()>
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pub fn seal(&mut self) -> Result<()>
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Trait Implementations
impl Clone for JsUndefined
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impl Clone for JsUndefined
[src]fn clone(&self) -> JsUndefined
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fn clone(&self) -> JsUndefined
[src]Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0[src]Performs copy-assignment from source
. Read more
impl NapiRaw for JsUndefined
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impl NapiRaw for JsUndefined
[src]unsafe fn raw(&self) -> napi_value
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impl<'env> NapiRaw for &'env JsUndefined
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impl<'env> NapiRaw for &'env JsUndefined
[src]unsafe fn raw(&self) -> napi_value
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impl NapiValue for JsUndefined
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impl NapiValue for JsUndefined
[src]unsafe fn from_raw(env: napi_env, value: napi_value) -> Result<JsUndefined>
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unsafe fn from_raw_unchecked(env: napi_env, value: napi_value) -> JsUndefined
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impl TryFrom<JsUnknown> for JsUndefined
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impl TryFrom<JsUnknown> for JsUndefined
[src]impl Copy for JsUndefined
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Auto Trait Implementations
impl RefUnwindSafe for JsUndefined
impl !Send for JsUndefined
impl !Sync for JsUndefined
impl Unpin for JsUndefined
impl UnwindSafe for JsUndefined
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
[src]type Owned = T
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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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)
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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