[−][src]Struct sauron::prelude::js_sys::Object
Implementations
impl Object
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pub fn try_from(val: &JsValue) -> Option<&Object>
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Returns the Object
value of this JS value if it's an instance of an
object.
If this JS value is not an instance of an object then this returns
None
.
impl Object
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pub fn assign(target: &Object, source: &Object) -> Object
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The Object.assign()
method is used to copy the values of all enumerable
own properties from one or more source objects to a target object. It
will return the target object.
impl Object
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pub fn assign2(target: &Object, source1: &Object, source2: &Object) -> Object
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The Object.assign()
method is used to copy the values of all enumerable
own properties from one or more source objects to a target object. It
will return the target object.
impl Object
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pub fn assign3(
target: &Object,
source1: &Object,
source2: &Object,
source3: &Object
) -> Object
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target: &Object,
source1: &Object,
source2: &Object,
source3: &Object
) -> Object
The Object.assign()
method is used to copy the values of all enumerable
own properties from one or more source objects to a target object. It
will return the target object.
impl Object
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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.
impl Object
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pub fn create(prototype: &Object) -> Object
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The Object.create()
method creates a new object, using an existing
object to provide the newly created object's prototype.
impl Object
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pub fn define_property(
obj: &Object,
prop: &JsValue,
descriptor: &Object
) -> Object
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obj: &Object,
prop: &JsValue,
descriptor: &Object
) -> Object
The static method Object.defineProperty()
defines a new
property directly on an object, or modifies an existing
property on an object, and returns the object.
impl Object
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pub fn define_properties(obj: &Object, props: &Object) -> Object
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The Object.defineProperties()
method defines new or modifies
existing properties directly on an object, returning the
object.
impl Object
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pub fn entries(object: &Object) -> Array
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The Object.entries()
method returns an array of a given
object's own enumerable property [key, value] pairs, in the
same order as that provided by a for...in loop (the difference
being that a for-in loop enumerates properties in the
prototype chain as well).
impl Object
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pub fn freeze(value: &Object) -> Object
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The Object.freeze()
method freezes an object: that is, prevents new
properties from being added to it; prevents existing properties from
being removed; and prevents existing properties, or their enumerability,
configurability, or writability, from being changed, it also prevents
the prototype from being changed. The method returns the passed object.
impl Object
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pub fn from_entries(iterable: &JsValue) -> Result<Object, JsValue>
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The Object.fromEntries()
method transforms a list of key-value pairs
into an object.
impl Object
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pub fn get_own_property_descriptor(obj: &Object, prop: &JsValue) -> JsValue
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The Object.getOwnPropertyDescriptor()
method returns a
property descriptor for an own property (that is, one directly
present on an object and not in the object's prototype chain)
of a given object.
impl Object
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pub fn get_own_property_descriptors(obj: &Object) -> JsValue
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The Object.getOwnPropertyDescriptors()
method returns all own
property descriptors of a given object.
impl Object
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pub fn get_own_property_names(obj: &Object) -> Array
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The Object.getOwnPropertyNames()
method returns an array of
all properties (including non-enumerable properties except for
those which use Symbol) found directly upon a given object.
impl Object
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pub fn get_own_property_symbols(obj: &Object) -> Array
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The Object.getOwnPropertySymbols()
method returns an array of
all symbol properties found directly upon a given object.
impl Object
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pub fn get_prototype_of(obj: &JsValue) -> Object
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The Object.getPrototypeOf()
method returns the prototype
(i.e. the value of the internal [[Prototype]] property) of the
specified object.
impl Object
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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).
impl Object
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pub fn is(value_1: &JsValue, value_2: &JsValue) -> bool
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The Object.is()
method determines whether two values are the same value.
impl Object
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pub fn is_extensible(object: &Object) -> bool
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The Object.isExtensible()
method determines if an object is extensible
(whether it can have new properties added to it).
impl Object
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pub fn is_frozen(object: &Object) -> bool
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The Object.isFrozen()
determines if an object is frozen.
impl Object
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pub fn is_sealed(object: &Object) -> bool
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The Object.isSealed()
method determines if an object is sealed.
impl Object
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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.
impl Object
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pub fn keys(object: &Object) -> Array
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The Object.keys()
method returns an array of a given object's property
names, in the same order as we get with a normal loop.
impl Object
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impl Object
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pub fn prevent_extensions(object: &Object)
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The Object.preventExtensions()
method prevents new properties from
ever being added to an object (i.e. prevents future extensions to the
object).
impl Object
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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.
impl Object
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pub fn seal(value: &Object) -> Object
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The Object.seal()
method seals an object, preventing new properties
from being added to it and marking all existing properties as
non-configurable. Values of present properties can still be changed as
long as they are writable.
impl Object
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pub fn set_prototype_of(object: &Object, prototype: &Object) -> Object
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The Object.setPrototypeOf()
method sets the prototype (i.e., the
internal [[Prototype]]
property) of a specified object to another
object or null
.
impl Object
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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.
impl Object
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pub fn to_string(&self) -> JsString
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The toString()
method returns a string representing the object.
impl Object
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pub fn value_of(&self) -> Object
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The valueOf()
method returns the primitive value of the
specified object.
impl Object
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pub fn values(object: &Object) -> Array
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The Object.values()
method returns an array of a given object's own
enumerable property values, in the same order as that provided by a
for...in
loop (the difference being that a for-in loop enumerates
properties in the prototype chain as well).
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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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 is_string(&self) -> bool
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Tests whether this JS value is a JS string.
pub fn as_string(&self) -> Option<String>
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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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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_null(&self) -> bool
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Tests whether this JS value is null
pub fn is_undefined(&self) -> bool
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Tests whether this JS value is undefined
pub fn is_symbol(&self) -> bool
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Tests whether the type of this JS value is symbol
pub fn is_object(&self) -> bool
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Tests whether typeof self == "object" && self !== null
.
pub fn is_function(&self) -> bool
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Tests whether the type of this JS value is function
.
pub fn is_truthy(&self) -> bool
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Tests whether the value is "truthy".
pub fn is_falsy(&self) -> bool
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Tests whether the value is "falsy".
Trait Implementations
impl AsRef<JsValue> for Object
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impl AsRef<Object> for MouseEvent
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impl AsRef<Object> for HtmlCollection
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impl AsRef<Object> for HtmlTextAreaElement
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impl AsRef<Object> for AnimationEvent
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impl AsRef<Object> for HtmlHeadElement
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impl AsRef<Object> for Node
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impl AsRef<Object> for CharacterData
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impl AsRef<Object> for Worker
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impl AsRef<Object> for HtmlInputElement
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impl AsRef<Object> for Event
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impl AsRef<Object> for TransitionEvent
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impl AsRef<Object> for EventTarget
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impl AsRef<Object> for NodeList
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impl AsRef<Object> for HtmlElement
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impl AsRef<Object> for Performance
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impl AsRef<Object> for MessageEvent
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impl AsRef<Object> for HashChangeEvent
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impl AsRef<Object> for InputEvent
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impl AsRef<Object> for Location
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impl AsRef<Object> for Response
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impl AsRef<Object> for History
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impl AsRef<Object> for Comment
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impl AsRef<Object> for Window
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impl AsRef<Object> for Element
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impl AsRef<Object> for Instance
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impl AsRef<Object> for Number
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impl AsRef<Object> for TypeError
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impl AsRef<Object> for PluralRules
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impl AsRef<Object> for Map
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impl AsRef<Object> for Int32Array
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impl AsRef<Object> for SharedArrayBuffer
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impl AsRef<Object> for Set
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impl AsRef<Object> for Table
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impl AsRef<Object> for Function
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impl AsRef<Object> for UiEvent
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impl AsRef<Object> for Memory
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impl AsRef<Object> for Object
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impl AsRef<Object> for DateTimeFormat
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impl AsRef<Object> for Uint32Array
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impl AsRef<Object> for Float64Array
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impl AsRef<Object> for WeakMap
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impl AsRef<Object> for Float32Array
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impl AsRef<Object> for Promise
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impl AsRef<Object> for RangeError
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impl AsRef<Object> for Generator
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impl AsRef<Object> for ScrollToOptions
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impl AsRef<Object> for Array
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impl AsRef<Object> for DataView
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impl AsRef<Object> for UriError
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impl AsRef<Object> for JsString
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impl AsRef<Object> for Uint8ClampedArray
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impl AsRef<Object> for RegExp
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impl AsRef<Object> for SyntaxError
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impl AsRef<Object> for NumberFormat
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impl AsRef<Object> for ReferenceError
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impl AsRef<Object> for Int8Array
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impl AsRef<Object> for Navigator
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impl AsRef<Object> for Uint16Array
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impl AsRef<Object> for ArrayBuffer
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impl AsRef<Object> for Module
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impl AsRef<Object> for Date
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impl AsRef<Object> for Boolean
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impl AsRef<Object> for IteratorNext
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impl AsRef<Object> for Error
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impl AsRef<Object> for WeakSet
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impl AsRef<Object> for Collator
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impl AsRef<Object> for Uint8Array
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impl AsRef<Object> for Text
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impl AsRef<Object> for EvalError
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impl AsRef<Object> for Int16Array
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impl AsRef<Object> for KeyboardEvent
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impl AsRef<Object> for Document
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impl Clone for Object
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impl Debug for Object
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impl Deref for Object
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impl Eq for Object
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impl From<AnimationEvent> for Object
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pub fn from(obj: AnimationEvent) -> Object
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impl From<Array> for Object
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impl From<ArrayBuffer> for Object
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pub fn from(obj: ArrayBuffer) -> Object
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impl From<Boolean> for Object
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impl From<CharacterData> for Object
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pub fn from(obj: CharacterData) -> Object
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impl From<Collator> for Object
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impl From<Comment> for Object
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impl From<DataView> for Object
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impl From<Date> for Object
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impl From<DateTimeFormat> for Object
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pub fn from(obj: DateTimeFormat) -> Object
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impl From<Document> for Object
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impl From<Element> for Object
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impl From<Error> for Object
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impl From<EvalError> for Object
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impl From<Event> for Object
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impl From<EventTarget> for Object
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pub fn from(obj: EventTarget) -> Object
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impl From<Float32Array> for Object
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pub fn from(obj: Float32Array) -> Object
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impl From<Float64Array> for Object
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pub fn from(obj: Float64Array) -> Object
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impl From<Function> for Object
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impl From<Generator> for Object
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impl From<HashChangeEvent> for Object
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pub fn from(obj: HashChangeEvent) -> Object
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impl From<History> for Object
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impl From<HtmlCollection> for Object
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pub fn from(obj: HtmlCollection) -> Object
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impl From<HtmlElement> for Object
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pub fn from(obj: HtmlElement) -> Object
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impl From<HtmlHeadElement> for Object
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pub fn from(obj: HtmlHeadElement) -> Object
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impl From<HtmlInputElement> for Object
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pub fn from(obj: HtmlInputElement) -> Object
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impl From<HtmlTextAreaElement> for Object
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pub fn from(obj: HtmlTextAreaElement) -> Object
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impl From<InputEvent> for Object
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pub fn from(obj: InputEvent) -> Object
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impl From<Instance> for Object
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impl From<Int16Array> for Object
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pub fn from(obj: Int16Array) -> Object
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impl From<Int32Array> for Object
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pub fn from(obj: Int32Array) -> Object
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impl From<Int8Array> for Object
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impl From<IteratorNext> for Object
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pub fn from(obj: IteratorNext) -> Object
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impl From<JsString> for Object
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impl From<JsValue> for Object
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impl From<KeyboardEvent> for Object
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pub fn from(obj: KeyboardEvent) -> Object
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impl From<Location> for Object
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impl From<Map> for Object
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impl From<Memory> for Object
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impl From<MessageEvent> for Object
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pub fn from(obj: MessageEvent) -> Object
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impl From<Module> for Object
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impl From<MouseEvent> for Object
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pub fn from(obj: MouseEvent) -> Object
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impl From<Navigator> for Object
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impl From<Node> for Object
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impl From<NodeList> for Object
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impl From<Number> for Object
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impl From<NumberFormat> for Object
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pub fn from(obj: NumberFormat) -> Object
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impl From<Object> for JsValue
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impl From<Performance> for Object
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pub fn from(obj: Performance) -> Object
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impl From<PluralRules> for Object
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pub fn from(obj: PluralRules) -> Object
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impl From<Promise> for Object
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impl From<RangeError> for Object
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pub fn from(obj: RangeError) -> Object
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impl From<ReferenceError> for Object
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pub fn from(obj: ReferenceError) -> Object
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impl From<RegExp> for Object
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impl From<Response> for Object
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impl From<ScrollToOptions> for Object
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pub fn from(obj: ScrollToOptions) -> Object
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impl From<Set> for Object
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impl From<SharedArrayBuffer> for Object
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pub fn from(obj: SharedArrayBuffer) -> Object
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impl From<SyntaxError> for Object
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pub fn from(obj: SyntaxError) -> Object
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impl From<Table> for Object
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impl From<Text> for Object
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impl From<TransitionEvent> for Object
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pub fn from(obj: TransitionEvent) -> Object
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impl From<TypeError> for Object
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impl From<UiEvent> for Object
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impl From<Uint16Array> for Object
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pub fn from(obj: Uint16Array) -> Object
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impl From<Uint32Array> for Object
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pub fn from(obj: Uint32Array) -> Object
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impl From<Uint8Array> for Object
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pub fn from(obj: Uint8Array) -> Object
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impl From<Uint8ClampedArray> for Object
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pub fn from(obj: Uint8ClampedArray) -> Object
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impl From<UriError> for Object
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impl From<WeakMap> for Object
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impl From<WeakSet> for Object
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impl From<Window> for Object
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impl From<Worker> for Object
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impl FromWasmAbi for Object
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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
pub unsafe fn from_abi(js: <Object as FromWasmAbi>::Abi) -> Object
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impl<'a> IntoWasmAbi for &'a Object
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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
pub fn into_abi(self) -> <&'a Object as IntoWasmAbi>::Abi
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impl IntoWasmAbi for Object
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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
pub fn into_abi(self) -> <Object as IntoWasmAbi>::Abi
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impl JsCast for Object
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pub fn instanceof(val: &JsValue) -> bool
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pub fn unchecked_from_js(val: JsValue) -> Object
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pub fn unchecked_from_js_ref(val: &JsValue) -> &Object
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fn has_type<T>(&self) -> bool where
T: JsCast,
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T: JsCast,
fn dyn_into<T>(self) -> Result<T, Self> where
T: JsCast,
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T: JsCast,
fn dyn_ref<T>(&self) -> Option<&T> where
T: JsCast,
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T: JsCast,
fn unchecked_into<T>(self) -> T where
T: JsCast,
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T: JsCast,
fn unchecked_ref<T>(&self) -> &TⓘNotable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;
where
T: JsCast,
[src]
Notable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;
T: JsCast,
fn is_instance_of<T>(&self) -> bool where
T: JsCast,
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T: JsCast,
fn is_type_of(val: &JsValue) -> bool
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impl OptionFromWasmAbi for Object
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impl OptionIntoWasmAbi for Object
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pub fn none() -> <Object as IntoWasmAbi>::Abi
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impl<'a> OptionIntoWasmAbi for &'a Object
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pub fn none() -> <&'a Object as IntoWasmAbi>::Abi
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impl PartialEq<Object> for Object
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impl RefFromWasmAbi for Object
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type Abi = <JsValue as RefFromWasmAbi>::Abi
The wasm ABI type references to Self
are recovered from.
type Anchor = ManuallyDrop<Object>
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: <Object as RefFromWasmAbi>::Abi
) -> <Object as RefFromWasmAbi>::Anchor
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js: <Object as RefFromWasmAbi>::Abi
) -> <Object as RefFromWasmAbi>::Anchor
Auto Trait Implementations
impl RefUnwindSafe for Object
impl !Send for Object
impl !Sync for Object
impl Unpin for Object
impl UnwindSafe for Object
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow(&self) -> &TⓘNotable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;
[src]
Notable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut TⓘNotable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;
[src]
Notable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;
impl<Q, K> Equivalent<K> for Q where
K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
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K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
pub fn equivalent(&self, key: &K) -> bool
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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> ReturnWasmAbi for T where
T: IntoWasmAbi,
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T: IntoWasmAbi,
type Abi = <T as IntoWasmAbi>::Abi
Same as IntoWasmAbi::Abi
pub fn return_abi(self) -> <T as ReturnWasmAbi>::Abi
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub 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.
pub 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>,