pub struct JsNull(/* private fields */);
Implementations§
source§impl JsNull
impl JsNull
pub fn into_unknown(self) -> JsUnknown
pub fn coerce_to_bool(self) -> Result<JsBoolean>
pub fn coerce_to_number(self) -> Result<JsNumber>
pub fn coerce_to_string(self) -> Result<JsString>
pub fn coerce_to_object(self) -> Result<JsObject>
pub fn is_date(&self) -> Result<bool>
pub fn is_promise(&self) -> Result<bool>
pub fn is_error(&self) -> Result<bool>
pub fn is_typedarray(&self) -> Result<bool>
pub fn is_dataview(&self) -> Result<bool>
pub fn is_array(&self) -> Result<bool>
pub fn is_buffer(&self) -> Result<bool>
pub fn instanceof<Constructor>(&self, constructor: Constructor) -> Result<bool>where
Constructor: NapiRaw,
Trait Implementations§
source§impl NapiValue for JsNull
impl NapiValue for JsNull
unsafe fn from_raw(env: napi_env, value: napi_value) -> Result<JsNull>
unsafe fn from_raw_unchecked(env: napi_env, value: napi_value) -> JsNull
source§impl ValidateNapiValue for JsNull
impl ValidateNapiValue for JsNull
source§unsafe fn validate(env: napi_env, napi_val: napi_value) -> Result<napi_value>
unsafe fn validate(env: napi_env, napi_val: napi_value) -> Result<napi_value>
Safety Read more
impl Copy for JsNull
Auto Trait Implementations§
impl Freeze for JsNull
impl RefUnwindSafe for JsNull
impl !Send for JsNull
impl !Sync for JsNull
impl Unpin for JsNull
impl UnwindSafe for JsNull
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> FromNapiValue for Twhere
T: NapiValue,
impl<T> FromNapiValue for Twhere
T: NapiValue,
source§unsafe fn from_napi_value(
env: *mut napi_env__,
napi_val: *mut napi_value__
) -> Result<T, Error>
unsafe fn from_napi_value( env: *mut napi_env__, napi_val: *mut napi_value__ ) -> Result<T, Error>
Safety Read more
fn from_unknown(value: JsUnknown) -> Result<Self>
source§impl<T> JsValuesTupleIntoVec for Twhere
T: ToNapiValue,
impl<T> JsValuesTupleIntoVec for Twhere
T: ToNapiValue,
fn into_vec(self, env: *mut napi_env__) -> Result<Vec<*mut napi_value__>, Error>
source§impl<T> ToNapiValue for Twhere
T: NapiRaw,
impl<T> ToNapiValue for Twhere
T: NapiRaw,
source§unsafe fn to_napi_value(
_env: *mut napi_env__,
val: T
) -> Result<*mut napi_value__, Error>
unsafe fn to_napi_value( _env: *mut napi_env__, val: T ) -> Result<*mut napi_value__, Error>
Safety Read more