Struct sauron::prelude::js_sys::Float32Array [−][src]
#[repr(transparent)]pub struct Float32Array { /* fields omitted */ }
Expand description
Implementations
Creates a JS typed array which is a view into wasm’s linear memory at the slice specified.
This function returns a new typed array which is a view into wasm’s memory. This view does not copy the underlying data.
Unsafety
Views into WebAssembly memory are only valid so long as the
backing buffer isn’t resized in JS. Once this function is called
any future calls to Box::new
(or malloc of any form) may cause
the returned value here to be invalidated. Use with caution!
Additionally the returned object can be safely mutated but the input slice isn’t guaranteed to be mutable.
Finally, the returned object is disconnected from the input slice’s lifetime, so there’s no guarantee that the data is read at the right time.
Creates a JS typed array which is a view into wasm’s linear memory at the specified pointer with specified length.
This function returns a new typed array which is a view into wasm’s memory. This view does not copy the underlying data.
Unsafety
Views into WebAssembly memory are only valid so long as the
backing buffer isn’t resized in JS. Once this function is called
any future calls to Box::new
(or malloc of any form) may cause
the returned value here to be invalidated. Use with caution!
Additionally the returned object can be safely mutated, the changes are guranteed to be reflected in the input array.
Copy the contents of this JS typed array into the destination Rust slice.
This function will efficiently copy the memory from a typed array into this wasm module’s own linear memory, initializing the memory destination provided.
Panics
This function will panic if this typed array’s length is
different than the length of the provided dst
array.
Copy the contents of the source Rust slice into this JS typed array.
This function will efficiently copy the memory from within the wasm module’s own linear memory to this typed array.
Panics
This function will panic if this typed array’s length is
different than the length of the provided src
array.
The
Float32Array()
constructor creates a new array.
An
Float32Array()
which creates an array with an internal buffer large
enough for length
elements.
An
Float32Array()
which creates an array with the given buffer but is a
view starting at byte_offset
.
pub fn new_with_byte_offset_and_length(
buffer: &JsValue,
byte_offset: u32,
length: u32
) -> 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.
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.
The buffer accessor property represents the ArrayBuffer
referenced
by a TypedArray
at construction time.
The subarray()
method returns a new TypedArray
on the same
ArrayBuffer
store and with the same element types as for this
TypedArray
object.
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()
.
The byteLength accessor property represents the length (in bytes) of a typed array.
The byteOffset accessor property represents the offset (in bytes) of a
typed array from the start of its ArrayBuffer
.
Methods from Deref<Target = Object>
The constructor property returns a reference to the Object
constructor
function that created the instance object.
The hasOwnProperty()
method returns a boolean indicating whether the
object has the specified property as its own property (as opposed to
inheriting it).
The isPrototypeOf()
method checks if an object exists in another
object’s prototype chain.
The propertyIsEnumerable()
method returns a Boolean indicating
whether the specified property is enumerable.
The toLocaleString()
method returns a string representing the object.
This method is meant to be overridden by derived objects for
locale-specific purposes.
The toString()
method returns a string representing the object.
The valueOf()
method returns the primitive value of the
specified object.
Trait Implementations
Performs the conversion.
Returns the “default value” for a type. Read more
Performs the conversion.
Performs the conversion.
Performs the conversion.
Performs a dynamic instanceof
check to see whether the JsValue
provided is an instance of this type. Read more
Performs a zero-cost unchecked conversion from a JsValue
into an
instance of Self
Read more
Performs a zero-cost unchecked conversion from a &JsValue
into an
instance of &Self
. Read more
Test whether this JS value has a type T
. Read more
Performs a dynamic cast (checked at runtime) of this value into the
target type T
. Read more
Performs a dynamic cast (checked at runtime) of this value into the
target type T
. Read more
Performs a zero-cost unchecked cast into the specified type. Read more
Performs a zero-cost unchecked cast into a reference to the specified type. Read more
Test whether this JS value is an instance of the type T
. Read more
Performs a dynamic check to see whether the JsValue
provided
is a value of this type. Read more
Tests whether the argument is a “none” instance. If so it will be
deserialized as None
, and otherwise it will be passed to
FromWasmAbi
. Read more
Returns an ABI instance indicating “none”, which JS will interpret as
the None
branch of this option. Read more
Returns an ABI instance indicating “none”, which JS will interpret as
the None
branch of this option. Read more
type Abi = <JsValue as RefFromWasmAbi>::Abi
type Abi = <JsValue as RefFromWasmAbi>::Abi
The wasm ABI type references to Self
are recovered from.
type Anchor = ManuallyDrop<Float32Array>
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. Read more
pub unsafe fn ref_from_abi(
js: <Float32Array as RefFromWasmAbi>::Abi
) -> <Float32Array as RefFromWasmAbi>::Anchor
pub unsafe fn ref_from_abi(
js: <Float32Array as RefFromWasmAbi>::Abi
) -> <Float32Array as RefFromWasmAbi>::Anchor
Recover a Self::Anchor
from Self::Abi
. Read more
Auto Trait Implementations
impl RefUnwindSafe for Float32Array
impl !Send for Float32Array
impl !Sync for Float32Array
impl Unpin for Float32Array
impl UnwindSafe for Float32Array
Blanket Implementations
Mutably borrows from an owned value. Read more
type Abi = <T as IntoWasmAbi>::Abi
type Abi = <T as IntoWasmAbi>::Abi
Same as IntoWasmAbi::Abi
Same as IntoWasmAbi::into_abi
, except that it may throw and never
return in the case of Err
. Read more