[−][src]Struct js_sys::Error
Methods
impl Error
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pub fn new(message: &str) -> Error
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The Error constructor creates an error object. Instances of Error objects are thrown when runtime errors occur. The Error object can also be used as a base object for user-defined exceptions. See below for standard built-in error types.
impl Error
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pub fn message(&self) -> JsString
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The message property is a human-readable description of the error.
impl Error
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pub fn set_message(&self, message: &str)
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impl Error
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pub fn name(&self) -> JsString
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The name property represents a name for the type of error. The initial value is "Error".
impl Error
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impl Error
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pub fn to_string(&self) -> JsString
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The toString() method returns a string representing the specified Error object
Methods from Deref<Target = Object>
pub fn constructor(&self) -> Function
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The constructor property returns a reference to the Object constructor function that created the instance object.
pub fn has_own_property(&self, property: &JsValue) -> bool
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The hasOwnProperty()
method returns a boolean indicating whether the
object has the specified property as its own property (as opposed to
inheriting it).
pub fn is_prototype_of(&self, value: &JsValue) -> bool
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The isPrototypeOf()
method checks if an object exists in another
object's prototype chain.
pub fn property_is_enumerable(&self, property: &JsValue) -> bool
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The propertyIsEnumerable()
method returns a Boolean indicating
whether the specified property is enumerable.
pub fn to_locale_string(&self) -> JsString
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The toLocaleString()
method returns a string representing the object.
This method is meant to be overridden by derived objects for
locale-specific purposes.
pub fn to_string(&self) -> JsString
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The toString()
method returns a string representing the object.
pub fn value_of(&self) -> Object
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The valueOf()
method returns the primitive value of the
specified object.
Trait Implementations
impl From<JsValue> for Error
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impl From<Error> for JsValue
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impl From<Error> for Object
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impl From<EvalError> for Error
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impl From<RangeError> for Error
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fn from(obj: RangeError) -> Error
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impl From<ReferenceError> for Error
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fn from(obj: ReferenceError) -> Error
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impl From<SyntaxError> for Error
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fn from(obj: SyntaxError) -> Error
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impl From<TypeError> for Error
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impl From<UriError> for Error
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impl From<CompileError> for Error
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fn from(obj: CompileError) -> Error
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impl From<LinkError> for Error
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impl From<RuntimeError> for Error
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fn from(obj: RuntimeError) -> Error
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impl Clone for Error
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fn clone(&self) -> Error
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl PartialEq<Error> for Error
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impl Eq for Error
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impl AsRef<JsValue> for Error
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impl AsRef<Error> for Error
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impl AsRef<Object> for Error
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impl AsRef<Error> for EvalError
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impl AsRef<Error> for RangeError
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impl AsRef<Error> for ReferenceError
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impl AsRef<Error> for SyntaxError
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impl AsRef<Error> for TypeError
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impl AsRef<Error> for UriError
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impl AsRef<Error> for CompileError
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impl AsRef<Error> for LinkError
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impl AsRef<Error> for RuntimeError
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impl Deref for Error
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impl Debug for Error
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impl RefFromWasmAbi for Error
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type Abi = <JsValue as RefFromWasmAbi>::Abi
The wasm ABI type references to Self
are recovered from.
type Anchor = ManuallyDrop<Error>
The type that holds the reference to Self
for the duration of the invocation of the function that has an &Self
parameter. This is required to ensure that the lifetimes don't persist beyond one function call, and so that they remain anonymous. Read more
unsafe fn ref_from_abi(js: Self::Abi) -> Self::Anchor
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impl WasmDescribe for Error
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impl IntoWasmAbi for Error
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type Abi = <JsValue as IntoWasmAbi>::Abi
The wasm ABI type that this converts into when crossing the ABI boundary. Read more
fn into_abi(self) -> Self::Abi
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impl<'a> IntoWasmAbi for &'a Error
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type Abi = <&'a JsValue as IntoWasmAbi>::Abi
The wasm ABI type that this converts into when crossing the ABI boundary. Read more
fn into_abi(self) -> Self::Abi
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impl FromWasmAbi for Error
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type Abi = <JsValue as FromWasmAbi>::Abi
The wasm ABI type that this converts from when coming back out from the ABI boundary. Read more
unsafe fn from_abi(js: Self::Abi) -> Self
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impl OptionFromWasmAbi for Error
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impl OptionIntoWasmAbi for Error
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impl<'a> OptionIntoWasmAbi for &'a Error
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impl JsCast for Error
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fn instanceof(val: &JsValue) -> bool
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fn unchecked_from_js(val: JsValue) -> Self
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fn unchecked_from_js_ref(val: &JsValue) -> &Self
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fn has_type<T>(&self) -> bool where
T: JsCast,
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T: JsCast,
Test whether this JS value has a type T
. Read more
fn dyn_into<T>(self) -> Result<T, Self> where
T: JsCast,
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T: JsCast,
Performs a dynamic cast (checked at runtime) of this value into the target type T
. Read more
fn dyn_ref<T>(&self) -> Option<&T> where
T: JsCast,
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T: JsCast,
Performs a dynamic cast (checked at runtime) of this value into the target type T
. Read more
fn unchecked_into<T>(self) -> T where
T: JsCast,
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T: JsCast,
Performs a zero-cost unchecked cast into the specified type. Read more
fn unchecked_ref<T>(&self) -> &T where
T: JsCast,
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T: JsCast,
Performs a zero-cost unchecked cast into a reference to the specified type. Read more
fn is_instance_of<T>(&self) -> bool where
T: JsCast,
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T: JsCast,
Test whether this JS value is an instance of the type T
. Read more
fn is_type_of(val: &JsValue) -> bool
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Performs a dynamic check to see whether the JsValue
provided is a value of this type. Read more
Auto Trait Implementations
impl Unpin for Error
impl !Send for Error
impl !Sync for Error
impl RefUnwindSafe for Error
impl UnwindSafe for Error
Blanket Implementations
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> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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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.
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>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> ReturnWasmAbi for T where
T: IntoWasmAbi,
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T: IntoWasmAbi,
type Abi = <T as IntoWasmAbi>::Abi
Same as IntoWasmAbi::Abi