Struct rustjs :: deno_core :: v8 :: Name Copy item path

impl Name

pub fn get_identity_hash(&self) -> NonZero<i32>

Returns the V8 hash value for this value. The current implementation uses a hidden property to store the identity hash.

The return value will never be 0. Also, it is not guaranteed to be unique.

Methods from Deref<Target = Value>§

pub fn is_undefined(&self) -> bool

Returns true if this value is the undefined value. See ECMA-262 4.3.10.

pub fn is_null(&self) -> bool

Returns true if this value is the null value. See ECMA-262 4.3.11.

pub fn is_null_or_undefined(&self) -> bool

Returns true if this value is either the null or the undefined value. See ECMA-262 4.3.11. and 4.3.12

pub fn is_true(&self) -> bool

Returns true if this value is true. This is not the same as BooleanValue(). The latter performs a conversion to boolean, i.e. the result of Boolean(value) in JS, whereas this checks value === true.

pub fn is_false(&self) -> bool

Returns true if this value is false. This is not the same as !BooleanValue(). The latter performs a conversion to boolean, i.e. the result of !Boolean(value) in JS, whereas this checks value === false.

pub fn is_name(&self) -> bool

Returns true if this value is a symbol or a string. This is equivalent to typeof value === 'string' || typeof value === 'symbol' in JS.

pub fn is_string(&self) -> bool

Returns true if this value is an instance of the String type. See ECMA-262 8.4.

pub fn is_symbol(&self) -> bool

Returns true if this value is a symbol. This is equivalent to typeof value === 'symbol' in JS.

pub fn is_function(&self) -> bool

Returns true if this value is a function.

pub fn is_array(&self) -> bool

Returns true if this value is an array. Note that it will return false for an Proxy for an array.

pub fn is_object(&self) -> bool

Returns true if this value is an object.

pub fn is_big_int(&self) -> bool

Returns true if this value is a bigint. This is equivalent to typeof value === 'bigint' in JS.

pub fn is_boolean(&self) -> bool

Returns true if this value is boolean. This is equivalent to typeof value === 'boolean' in JS.

pub fn is_number(&self) -> bool

Returns true if this value is a number.

pub fn is_external(&self) -> bool

Returns true if this value is an External object.

pub fn is_int32(&self) -> bool

Returns true if this value is a 32-bit signed integer.

pub fn is_uint32(&self) -> bool

Returns true if this value is a 32-bit unsigned integer.

pub fn is_date(&self) -> bool

Returns true if this value is a Date.

pub fn is_arguments_object(&self) -> bool

Returns true if this value is an Arguments object.

pub fn is_big_int_object(&self) -> bool

Returns true if this value is a BigInt object.

pub fn is_boolean_object(&self) -> bool

Returns true if this value is a Boolean object.

pub fn is_number_object(&self) -> bool

Returns true if this value is a Number object.

pub fn is_string_object(&self) -> bool

Returns true if this value is a String object.

pub fn is_symbol_object(&self) -> bool

Returns true if this value is a Symbol object.

pub fn is_native_error(&self) -> bool

Returns true if this value is a NativeError.

pub fn is_reg_exp(&self) -> bool

Returns true if this value is a RegExp.

pub fn is_async_function(&self) -> bool

Returns true if this value is an async function.

pub fn is_generator_function(&self) -> bool

Returns true if this value is a Generator function.

pub fn is_promise(&self) -> bool

Returns true if this value is a Promise.

pub fn is_map(&self) -> bool

Returns true if this value is a Map.

pub fn is_set(&self) -> bool

Returns true if this value is a Set.

pub fn is_map_iterator(&self) -> bool

Returns true if this value is a Map Iterator.

pub fn is_set_iterator(&self) -> bool

Returns true if this value is a Set Iterator.

pub fn is_generator_object(&self) -> bool

Returns true if this value is a Generator Object.

pub fn is_weak_map(&self) -> bool

Returns true if this value is a WeakMap.

pub fn is_weak_set(&self) -> bool

Returns true if this value is a WeakSet.

pub fn is_array_buffer(&self) -> bool

Returns true if this value is an ArrayBuffer.

pub fn is_array_buffer_view(&self) -> bool

Returns true if this value is an ArrayBufferView.

pub fn is_typed_array(&self) -> bool

Returns true if this value is one of TypedArrays.

pub fn is_uint8_array(&self) -> bool

Returns true if this value is an Uint8Array.

pub fn is_uint8_clamped_array(&self) -> bool

Returns true if this value is an Uint8ClampedArray.

pub fn is_int8_array(&self) -> bool

Returns true if this value is an Int8Array.

pub fn is_uint16_array(&self) -> bool

Returns true if this value is an Uint16Array.

pub fn is_int16_array(&self) -> bool

Returns true if this value is an Int16Array.

pub fn is_uint32_array(&self) -> bool

Returns true if this value is an Uint32Array.

pub fn is_int32_array(&self) -> bool

Returns true if this value is an Int32Array.

pub fn is_float32_array(&self) -> bool

Returns true if this value is a Float32Array.

pub fn is_float64_array(&self) -> bool

Returns true if this value is a Float64Array.

pub fn is_big_int64_array(&self) -> bool

Returns true if this value is a BigInt64Array.

pub fn is_big_uint64_array(&self) -> bool

Returns true if this value is a BigUint64Array.

pub fn is_data_view(&self) -> bool

Returns true if this value is a DataView.

pub fn is_shared_array_buffer(&self) -> bool

Returns true if this value is a SharedArrayBuffer. This is an experimental feature.

pub fn is_proxy(&self) -> bool

Returns true if this value is a JavaScript Proxy.

pub fn is_wasm_memory_object(&self) -> bool

Returns true if this value is a WasmMemoryObject.

pub fn is_wasm_module_object(&self) -> bool

Returns true if this value is a WasmModuleObject.

pub fn is_module_namespace_object(&self) -> bool

Returns true if the value is a Module Namespace Object.

pub fn strict_equals(&self, that: Local<'_, Value>) -> bool

pub fn same_value(&self, that: Local<'_, Value>) -> bool

pub fn same_value_zero(&self, that: Local<'_, Value>) -> bool

Implements the the abstract operation SameValueZero, which is defined in ECMA-262 6th edition § 7.2.10 (http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero).

This operation is used to compare values for the purpose of insertion into a Set, or determining whether Map keys are equivalent. Its semantics are almost the same as strict_equals() and same_value(), with the following important distinctions:

It considers NaN equal to NaN (unlike strict_equals()).
It considers -0 equal to 0 (unlike same_value()).

pub fn to_big_int<'s>( &self, scope: &mut HandleScope<'s>, ) -> Option<Local<'s, BigInt>>

pub fn to_number<'s>( &self, scope: &mut HandleScope<'s>, ) -> Option<Local<'s, Number>>

pub fn to_string<'s>( &self, scope: &mut HandleScope<'s>, ) -> Option<Local<'s, String>>

pub fn to_rust_string_lossy(&self, scope: &mut HandleScope<'_>) -> String

Convenience function not present in the original V8 API.

pub fn to_detail_string<'s>( &self, scope: &mut HandleScope<'s>, ) -> Option<Local<'s, String>>

pub fn to_object<'s>( &self, scope: &mut HandleScope<'s>, ) -> Option<Local<'s, Object>>

pub fn to_integer<'s>( &self, scope: &mut HandleScope<'s>, ) -> Option<Local<'s, Integer>>

pub fn to_uint32<'s>( &self, scope: &mut HandleScope<'s>, ) -> Option<Local<'s, Uint32>>

pub fn to_int32<'s>( &self, scope: &mut HandleScope<'s>, ) -> Option<Local<'s, Int32>>

pub fn to_boolean<'s>( &self, scope: &mut HandleScope<'s, ()>, ) -> Local<'s, Boolean>

Perform the equivalent of Boolean(value) in JS. This can never fail.

pub fn instance_of( &self, scope: &mut HandleScope<'_>, object: Local<'_, Object>, ) -> Option<bool>

pub fn get_hash(&self) -> NonZero<i32>

Returns the V8 hash value for this value. The current implementation uses a hidden property to store the identity hash on some object types.

The return value will never be 0. Also, it is not guaranteed to be unique.

pub fn type_of<'s>(&self, scope: &mut HandleScope<'s, ()>) -> Local<'s, String>

pub fn type_repr(&self) -> &'static str

Utility method that returns human readable representation of the underlying value.

Methods from Deref<Target = Data>§

pub fn is_big_int(&self) -> bool

Returns true if this data is a BigInt.

pub fn is_boolean(&self) -> bool

Returns true if this data is a Boolean.

pub fn is_context(&self) -> bool

Returns true if this data is a Context.

pub fn is_fixed_array(&self) -> bool

Returns true if this data is a FixedArray.

pub fn is_function_template(&self) -> bool

Returns true if this data is a FunctionTemplate.

pub fn is_module(&self) -> bool

Returns true if this data is a Module.

pub fn is_module_request(&self) -> bool

Returns true if this data is a ModuleRequest.

pub fn is_name(&self) -> bool

Returns true if this data is a Name.

pub fn is_number(&self) -> bool

Returns true if this data is a Number.

pub fn is_object_template(&self) -> bool

Returns true if this data is a ObjectTemplate.

pub fn is_primitive(&self) -> bool

Returns true if this data is a Primitive.

pub fn is_private(&self) -> bool

Returns true if this data is a Private.

pub fn is_string(&self) -> bool

Returns true if this data is a String.

pub fn is_symbol(&self) -> bool

Returns true if this data is a Symbol.

pub fn is_value(&self) -> bool

Returns true if this data is a Value.

Trait Implementations§

impl Debug for Name

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

impl Deref for Name

type Target = Primitive

The resulting type after dereferencing.

fn deref(&self) -> &<Name as Deref>::Target

Dereferences the value.

impl Hash for Name

fn hash<H>(&self, state: &mut H)
where H: Hasher,

Feeds this value into the given Hasher. Read more

1.3.0 · source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more

impl<'s> PartialEq<Name> for Primitive

fn eq(&self, other: &Name) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'s> PartialEq<Name> for String

fn eq(&self, other: &Name) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'s> PartialEq<Name> for Symbol

fn eq(&self, other: &Name) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'s> PartialEq<Name> for Value

fn eq(&self, other: &Name) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'s> PartialEq<Primitive> for Name

fn eq(&self, other: &Primitive) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'s> PartialEq<String> for Name

fn eq(&self, other: &String) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'s> PartialEq<Symbol> for Name

fn eq(&self, other: &Symbol) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'s> PartialEq<Value> for Name

fn eq(&self, other: &Value) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'s> PartialEq for Name

fn eq(&self, other: &Name) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Name

Auto Trait Implementations§

impl Freeze for Name

impl RefUnwindSafe for Name

impl Send for Name

impl Sync for Name

impl Unpin for Name

impl UnwindSafe for Name

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> Conv for T

fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more

impl<T> Downcast<T> for T

fn downcast(&self) -> &T

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.

fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.

fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.

fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.

fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.

fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.

fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<T> Pipe for T
where T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.

fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.

impl<T> Pointable for T

const ALIGN: usize = _

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

fn tap_borrow(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow, B: ?Sized,

Immutable access to the Borrow of a value. Read more

fn tap_borrow_mut(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut, B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.

fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.

fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

impl<T, U> TryFrom for T
where 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>::Error>

Performs the conversion.

impl<T, U> TryInto for T
where U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<T> Upcast<T> for T

fn upcast(&self) -> Option<&T>

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> Send for T
where T: ?Sized,

impl<T> Sync for T
where T: ?Sized,

impl<T> WasmNotSend for T
where T: Send,