Struct js_sys::Int32Array [−][src]
#[repr(transparent)]pub struct Int32Array { /* fields omitted */ }
Implementations
impl Int32Array
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impl Int32Array
[src]pub fn new(constructor_arg: &JsValue) -> Int32Array
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pub fn new(constructor_arg: &JsValue) -> Int32Array
[src]The
Int32Array()
constructor creates a new array.
impl Int32Array
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impl Int32Array
[src]pub fn new_with_length(length: u32) -> Int32Array
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pub fn new_with_length(length: u32) -> Int32Array
[src]An
Int32Array()
which creates an array with an internal buffer large
enough for length
elements.
impl Int32Array
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impl Int32Array
[src]pub fn new_with_byte_offset(buffer: &JsValue, byte_offset: u32) -> Int32Array
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pub fn new_with_byte_offset(buffer: &JsValue, byte_offset: u32) -> Int32Array
[src]An
Int32Array()
which creates an array with the given buffer but is a
view starting at byte_offset
.
impl Int32Array
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impl Int32Array
[src]pub fn new_with_byte_offset_and_length(
buffer: &JsValue,
byte_offset: u32,
length: u32
) -> Int32Array
[src]
pub fn new_with_byte_offset_and_length(
buffer: &JsValue,
byte_offset: u32,
length: u32
) -> Int32Array
[src]An
Int32Array()
which creates an array with the given buffer but is a
view starting at byte_offset
for length
elements.
impl Int32Array
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impl Int32Array
[src]impl Int32Array
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impl Int32Array
[src]pub fn buffer(&self) -> ArrayBuffer
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pub fn buffer(&self) -> ArrayBuffer
[src]The buffer accessor property represents the ArrayBuffer
referenced
by a TypedArray
at construction time.
impl Int32Array
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impl Int32Array
[src]pub fn subarray(&self, begin: u32, end: u32) -> Int32Array
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pub fn subarray(&self, begin: u32, end: u32) -> Int32Array
[src]The subarray()
method returns a new TypedArray
on the same
ArrayBuffer
store and with the same element types as for this
TypedArray
object.
impl Int32Array
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impl Int32Array
[src]pub fn slice(&self, begin: u32, end: u32) -> Int32Array
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pub fn slice(&self, begin: u32, end: u32) -> Int32Array
[src]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 Int32Array
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impl Int32Array
[src]impl Int32Array
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impl Int32Array
[src]impl Int32Array
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impl Int32Array
[src]pub fn byte_length(&self) -> u32
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pub fn byte_length(&self) -> u32
[src]The byteLength accessor property represents the length (in bytes) of a typed array.
impl Int32Array
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impl Int32Array
[src]pub fn byte_offset(&self) -> u32
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pub fn byte_offset(&self) -> u32
[src]The byteOffset accessor property represents the offset (in bytes) of a
typed array from the start of its ArrayBuffer
.
impl Int32Array
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impl Int32Array
[src]impl Int32Array
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impl Int32Array
[src]impl Int32Array
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impl Int32Array
[src]impl Int32Array
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impl Int32Array
[src]pub unsafe fn view(rust: &[i32]) -> Int32Array
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pub unsafe fn view(rust: &[i32]) -> Int32Array
[src]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.
pub unsafe fn view_mut_raw(ptr: *mut i32, length: usize) -> Int32Array
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pub unsafe fn view_mut_raw(ptr: *mut i32, length: usize) -> Int32Array
[src]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.
pub fn copy_to(&self, dst: &mut [i32])
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pub fn copy_to(&self, dst: &mut [i32])
[src]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.
pub fn copy_from(&self, src: &[i32])
[src]
pub fn copy_from(&self, src: &[i32])
[src]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.
Methods from Deref<Target = Object>
pub fn constructor(&self) -> Function
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pub fn constructor(&self) -> Function
[src]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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pub fn has_own_property(&self, property: &JsValue) -> bool
[src]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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pub fn is_prototype_of(&self, value: &JsValue) -> bool
[src]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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pub fn property_is_enumerable(&self, property: &JsValue) -> bool
[src]The propertyIsEnumerable()
method returns a Boolean indicating
whether the specified property is enumerable.
pub fn to_locale_string(&self) -> JsString
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pub fn to_locale_string(&self) -> JsString
[src]The toLocaleString()
method returns a string representing the object.
This method is meant to be overridden by derived objects for
locale-specific purposes.
Methods from Deref<Target = JsValue>
pub const NULL: JsValue
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pub const UNDEFINED: JsValue
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pub const TRUE: JsValue
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pub const FALSE: JsValue
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pub fn as_f64(&self) -> Option<f64>
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pub fn as_f64(&self) -> Option<f64>
[src]Returns the f64
value of this JS value if it’s an instance of a
number.
If this JS value is not an instance of a number then this returns
None
.
pub fn as_string(&self) -> Option<String>
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pub fn as_string(&self) -> Option<String>
[src]If this JS value is a string value, this function copies the JS string
value into wasm linear memory, encoded as UTF-8, and returns it as a
Rust String
.
To avoid the copying and re-encoding, consider the
JsString::try_from()
function from js-sys
instead.
If this JS value is not an instance of a string or if it’s not valid
utf-8 then this returns None
.
UTF-16 vs UTF-8
JavaScript strings in general are encoded as UTF-16, but Rust strings
are encoded as UTF-8. This can cause the Rust string to look a bit
different than the JS string sometimes. For more details see the
documentation about the str
type which contains a few
caveats about the encodings.
pub fn as_bool(&self) -> Option<bool>
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pub fn as_bool(&self) -> Option<bool>
[src]Returns the bool
value of this JS value if it’s an instance of a
boolean.
If this JS value is not an instance of a boolean then this returns
None
.
pub fn is_undefined(&self) -> bool
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pub fn is_undefined(&self) -> bool
[src]Tests whether this JS value is undefined
pub fn is_function(&self) -> bool
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pub fn is_function(&self) -> bool
[src]Tests whether the type of this JS value is function
.
Trait Implementations
impl AsRef<Int32Array> for Int32Array
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impl AsRef<Int32Array> for Int32Array
[src]fn as_ref(&self) -> &Int32Array
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fn as_ref(&self) -> &Int32Array
[src]Performs the conversion.
impl Clone for Int32Array
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impl Clone for Int32Array
[src]fn clone(&self) -> Int32Array
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fn clone(&self) -> Int32Array
[src]Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0[src]Performs copy-assignment from source
. Read more
impl Debug for Int32Array
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impl Debug for Int32Array
[src]impl Deref for Int32Array
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impl Deref for Int32Array
[src]impl From<Int32Array> for JsValue
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impl From<Int32Array> for JsValue
[src]fn from(obj: Int32Array) -> JsValue
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fn from(obj: Int32Array) -> JsValue
[src]Performs the conversion.
impl From<Int32Array> for Object
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impl From<Int32Array> for Object
[src]fn from(obj: Int32Array) -> Object
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fn from(obj: Int32Array) -> Object
[src]Performs the conversion.
impl From<JsValue> for Int32Array
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impl From<JsValue> for Int32Array
[src]fn from(obj: JsValue) -> Int32Array
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fn from(obj: JsValue) -> Int32Array
[src]Performs the conversion.
impl FromWasmAbi for Int32Array
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impl FromWasmAbi for Int32Array
[src]impl IntoWasmAbi for Int32Array
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impl IntoWasmAbi for Int32Array
[src]impl<'a> IntoWasmAbi for &'a Int32Array
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impl<'a> IntoWasmAbi for &'a Int32Array
[src]impl JsCast for Int32Array
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impl JsCast for Int32Array
[src]fn instanceof(val: &JsValue) -> bool
[src]
fn instanceof(val: &JsValue) -> bool
[src]Performs a dynamic instanceof
check to see whether the JsValue
provided is an instance of this type. Read more
fn unchecked_from_js(val: JsValue) -> Self
[src]
fn unchecked_from_js(val: JsValue) -> Self
[src]Performs a zero-cost unchecked conversion from a JsValue
into an
instance of Self
Read more
fn unchecked_from_js_ref(val: &JsValue) -> &Self
[src]
fn unchecked_from_js_ref(val: &JsValue) -> &Self
[src]Performs a zero-cost unchecked conversion from a &JsValue
into an
instance of &Self
. Read more
fn has_type<T>(&self) -> bool where
T: JsCast,
[src]
fn has_type<T>(&self) -> bool where
T: JsCast,
[src]Test whether this JS value has a type T
. Read more
fn dyn_into<T>(self) -> Result<T, Self> where
T: JsCast,
[src]
fn dyn_into<T>(self) -> Result<T, Self> where
T: JsCast,
[src]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,
[src]
fn dyn_ref<T>(&self) -> Option<&T> where
T: JsCast,
[src]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,
[src]
fn unchecked_into<T>(self) -> T where
T: JsCast,
[src]Performs a zero-cost unchecked cast into the specified type. Read more
fn unchecked_ref<T>(&self) -> &T where
T: JsCast,
[src]
fn unchecked_ref<T>(&self) -> &T where
T: JsCast,
[src]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,
[src]
fn is_instance_of<T>(&self) -> bool where
T: JsCast,
[src]Test whether this JS value is an instance of the type T
. Read more
fn is_type_of(val: &JsValue) -> bool
[src]
fn is_type_of(val: &JsValue) -> bool
[src]Performs a dynamic check to see whether the JsValue
provided
is a value of this type. Read more
impl OptionFromWasmAbi for Int32Array
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impl OptionFromWasmAbi for Int32Array
[src]impl OptionIntoWasmAbi for Int32Array
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impl OptionIntoWasmAbi for Int32Array
[src]impl<'a> OptionIntoWasmAbi for &'a Int32Array
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impl<'a> OptionIntoWasmAbi for &'a Int32Array
[src]impl RefFromWasmAbi for Int32Array
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impl RefFromWasmAbi for Int32Array
[src]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<Int32Array>
type Anchor = ManuallyDrop<Int32Array>
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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unsafe fn ref_from_abi(js: Self::Abi) -> Self::Anchor
[src]Recover a Self::Anchor
from Self::Abi
. Read more
impl WasmDescribe for Int32Array
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impl WasmDescribe for Int32Array
[src]Auto Trait Implementations
impl RefUnwindSafe for Int32Array
impl !Send for Int32Array
impl !Sync for Int32Array
impl Unpin for Int32Array
impl UnwindSafe for Int32Array
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
impl<T> ReturnWasmAbi for T where
T: IntoWasmAbi,
[src]
impl<T> ReturnWasmAbi for T where
T: IntoWasmAbi,
[src]type Abi = <T as IntoWasmAbi>::Abi
type Abi = <T as IntoWasmAbi>::Abi
Same as IntoWasmAbi::Abi
pub fn return_abi(self) -> <T as ReturnWasmAbi>::Abi
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pub fn return_abi(self) -> <T as ReturnWasmAbi>::Abi
[src]Same as IntoWasmAbi::into_abi
, except that it may throw and never
return in the case of Err
. Read more
impl<T> ToOwned for T where
T: Clone,
[src]
impl<T> ToOwned for T where
T: Clone,
[src]type Owned = T
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn to_owned(&self) -> T
[src]Creates owned data from borrowed data, usually by cloning. Read more
pub fn clone_into(&self, target: &mut T)
[src]
pub fn clone_into(&self, target: &mut T)
[src]🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more