Struct js_sys::Float32Array

#[repr(transparent)]
pub struct Float32Array { /* fields omitted */ }

Methods

impl Float32Array

pub fn new(constructor_arg: &JsValue) -> Float32Array

The Float32Array() constructor creates an array of 32-bit floats.

MDN documentation

impl Float32Array

pub fn new_with_length(length: u32) -> Float32Array

An Float32Array() which creates an array with an intenral buffer large enough for length elements.

MDN documentation

impl Float32Array

pub fn new_with_byte_offset(buffer: &JsValue, byte_offset: u32) -> Float32Array

An Float32Array() which creates an array with the given buffer but is a view starting at byte_offset.

MDN documentation

impl Float32Array

pub fn new_with_byte_offset_and_length(     buffer: &JsValue,     byte_offset: u32,     length: u32 ) -> Float32Array

An Float32Array() which creates an array with the given buffer but is a view starting at byte_offset for length elements.

MDN documentation

impl Float32Array

pub fn fill(&self, value: f32, start: u32, end: u32) -> Float32Array

The fill() method fills all the elements of an array from a start index to an end index with a static value. The end index is not included.

MDN documentation

impl Float32Array

pub fn buffer(&self) -> ArrayBuffer

The buffer accessor property represents the ArrayBuffer referenced by a TypedArray at construction time.

impl Float32Array

pub fn subarray(&self, begin: u32, end: u32) -> Float32Array

The subarray() method stores multiple values in the typed array, reading input values from a specified array.

impl Float32Array

pub fn slice(&self, begin: u32, end: u32) -> Uint8ClampedArray

The slice() method returns a shallow copy of a portion of a typed array into a new typed array object. This method has the same algorithm as Array.prototype.slice().

impl Float32Array

pub fn for_each(&self, callback: &mut dyn FnMut(f32, u32, Float32Array))

The forEach() method executes a provided function once per array element. This method has the same algorithm as Array.prototype.forEach(). TypedArray is one of the typed array types here.

impl Float32Array

pub fn length(&self) -> u32

The length accessor property represents the length (in elements) of a typed array.

impl Float32Array

pub fn byte_length(&self) -> u32

The byteLength accessor property represents the length (in bytes) of a typed array.

impl Float32Array

pub fn byte_offset(&self) -> u32

The byteOffset accessor property represents the offset (in bytes) of a typed array from the start of its ArrayBuffer.

Methods from Deref<Target = Object>

pub fn has_own_property(&self, property: &JsValue) -> bool

The hasOwnProperty() method returns a boolean indicating whether the object has the specified property as its own property (as opposed to inheriting it).

MDN documentation

pub fn is_prototype_of(&self, value: &JsValue) -> bool

The isPrototypeOf() method checks if an object exists in another object's prototype chain.

MDN documentation

pub fn property_is_enumerable(&self, property: &JsValue) -> bool

The propertyIsEnumerable() method returns a Boolean indicating whether the specified property is enumerable.

MDN documentation

pub fn to_locale_string(&self) -> JsString

The toLocaleString() method returns a string representing the object. This method is meant to be overridden by derived objects for locale-specific purposes.

MDN documentation

pub fn to_string(&self) -> JsString

The toString() method returns a string representing the object.

MDN documentation

pub fn value_of(&self) -> Object

The valueOf() method returns the primitive value of the specified object.

MDN documentation

Trait Implementations

impl From<JsValue> for Float32Array

fn from(obj: JsValue) -> Float32Array

Performs the conversion.

impl From<Float32Array> for JsValue

fn from(obj: Float32Array) -> JsValue

Performs the conversion.

impl From<Float32Array> for Object

fn from(obj: Float32Array) -> Object

Performs the conversion.

impl Clone for Float32Array

fn clone(&self) -> Float32Array

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl AsRef<JsValue> for Float32Array

fn as_ref(&self) -> &JsValue

Performs the conversion.

impl AsRef<Object> for Float32Array

fn as_ref(&self) -> &Object

Performs the conversion.

impl Debug for Float32Array

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Deref for Float32Array

type Target = Object

The resulting type after dereferencing.

fn deref(&self) -> &Object

Dereferences the value.

impl FromWasmAbi for Float32Array

type Abi = <JsValue as FromWasmAbi>::Abi

The wasm ABI type that this converts from when coming back out from the ABI boundary.

unsafe fn from_abi(js: Self::Abi, extra: &mut dyn Stack) -> Self

Recover a Self from Self::Abi.

impl IntoWasmAbi for Float32Array

type Abi = <JsValue as IntoWasmAbi>::Abi

The wasm ABI type that this converts into when crossing the ABI boundary.

fn into_abi(self, extra: &mut dyn Stack) -> Self::Abi

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary.

impl<'a> IntoWasmAbi for &'a Float32Array

type Abi = <&'a JsValue as IntoWasmAbi>::Abi

The wasm ABI type that this converts into when crossing the ABI boundary.

fn into_abi(self, extra: &mut dyn Stack) -> Self::Abi

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary.

impl WasmDescribe for Float32Array

fn describe()

impl OptionIntoWasmAbi for Float32Array

fn none() -> Self::Abi

Returns an ABI instance indicating "none", which JS will interpret as the None branch of this option.

impl<'a> OptionIntoWasmAbi for &'a Float32Array

fn none() -> Self::Abi

Returns an ABI instance indicating "none", which JS will interpret as the None branch of this option.

impl RefFromWasmAbi for Float32Array

type Abi = <JsValue as RefFromWasmAbi>::Abi

The wasm ABI type references to Self are recovered from.

type Anchor = ManuallyDrop<Float32Array>

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.

unsafe fn ref_from_abi(js: Self::Abi, extra: &mut dyn Stack) -> Self::Anchor

Recover a Self::Anchor from Self::Abi.

impl OptionFromWasmAbi for Float32Array

fn is_none(abi: &Self::Abi) -> bool

Tests whether the argument is a "none" instance. If so it will be deserialized as None, and otherwise it will be passed to FromWasmAbi.

impl JsCast for Float32Array

fn instanceof(val: &JsValue) -> bool

Performs a dynamic instanceof check to see whether the JsValue provided is an instance of this type.

fn unchecked_from_js(val: JsValue) -> Self

Performs a zero-cost unchecked conversion from a JsValue into an instance of Self

fn unchecked_from_js_ref(val: &JsValue) -> &Self

Performs a zero-cost unchecked conversion from a &JsValue into an instance of &Self.

fn is_instance_of<T>(&self) -> bool where     T: JsCast,

Test whether this JS value is an instance of the type T.

fn dyn_into<T>(self) -> Result<T, Self> where     T: JsCast,

Performs a dynamic cast (checked at runtime) of this value into the target type T.

fn dyn_ref<T>(&self) -> Option<&T> where     T: JsCast,

Performs a dynamic cast (checked at runtime) of this value into the target type T.

fn unchecked_into<T>(self) -> T where     T: JsCast,

Performs a zero-cost unchecked cast into the specified type.

fn unchecked_ref<T>(&self) -> &T where     T: JsCast,

Performs a zero-cost unchecked cast into a reference to the specified type.