[−][src]Struct boa::object::Object
The internal representation of an JavaScript object.
Fields
data: ObjectData
The type of the object.
Implementations
impl Object
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pub fn iter(&self) -> Iter<'_>ⓘNotable traits for Iter<'a>
impl<'a> Iterator for Iter<'a> type Item = (PropertyKey, &'a PropertyDescriptor);
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Notable traits for Iter<'a>
impl<'a> Iterator for Iter<'a> type Item = (PropertyKey, &'a PropertyDescriptor);
An iterator visiting all key-value pairs in arbitrary order. The iterator element type is (PropertyKey, &'a Property)
.
This iterator does not recurse down the prototype chain.
pub fn keys(&self) -> Keys<'_>ⓘNotable traits for Keys<'a>
impl<'a> Iterator for Keys<'a> type Item = PropertyKey;
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Notable traits for Keys<'a>
impl<'a> Iterator for Keys<'a> type Item = PropertyKey;
An iterator visiting all keys in arbitrary order. The iterator element type is PropertyKey
.
This iterator does not recurse down the prototype chain.
pub fn values(&self) -> Values<'_>ⓘNotable traits for Values<'a>
impl<'a> Iterator for Values<'a> type Item = &'a PropertyDescriptor;
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Notable traits for Values<'a>
impl<'a> Iterator for Values<'a> type Item = &'a PropertyDescriptor;
An iterator visiting all values in arbitrary order. The iterator element type is &'a Property
.
This iterator does not recurse down the prototype chain.
pub fn symbol_properties(&self) -> SymbolProperties<'_>ⓘNotable traits for SymbolProperties<'a>
impl<'a> Iterator for SymbolProperties<'a> type Item = (&'a RcSymbol, &'a PropertyDescriptor);
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Notable traits for SymbolProperties<'a>
impl<'a> Iterator for SymbolProperties<'a> type Item = (&'a RcSymbol, &'a PropertyDescriptor);
An iterator visiting all symbol key-value pairs in arbitrary order. The iterator element type is (&'a RcSymbol, &'a Property)
.
This iterator does not recurse down the prototype chain.
pub fn symbol_property_keys(&self) -> SymbolPropertyKeys<'_>ⓘNotable traits for SymbolPropertyKeys<'a>
impl<'a> Iterator for SymbolPropertyKeys<'a> type Item = &'a RcSymbol;
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Notable traits for SymbolPropertyKeys<'a>
impl<'a> Iterator for SymbolPropertyKeys<'a> type Item = &'a RcSymbol;
An iterator visiting all symbol keys in arbitrary order. The iterator element type is &'a RcSymbol
.
This iterator does not recurse down the prototype chain.
pub fn symbol_property_values(&self) -> SymbolPropertyValues<'_>ⓘNotable traits for SymbolPropertyValues<'a>
impl<'a> Iterator for SymbolPropertyValues<'a> type Item = &'a PropertyDescriptor;
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Notable traits for SymbolPropertyValues<'a>
impl<'a> Iterator for SymbolPropertyValues<'a> type Item = &'a PropertyDescriptor;
An iterator visiting all symbol values in arbitrary order. The iterator element type is &'a Property
.
This iterator does not recurse down the prototype chain.
pub fn index_properties(&self) -> IndexProperties<'_>ⓘNotable traits for IndexProperties<'a>
impl<'a> Iterator for IndexProperties<'a> type Item = (&'a u32, &'a PropertyDescriptor);
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Notable traits for IndexProperties<'a>
impl<'a> Iterator for IndexProperties<'a> type Item = (&'a u32, &'a PropertyDescriptor);
An iterator visiting all indexed key-value pairs in arbitrary order. The iterator element type is (&'a u32, &'a Property)
.
This iterator does not recurse down the prototype chain.
pub fn index_property_keys(&self) -> IndexPropertyKeys<'_>ⓘNotable traits for IndexPropertyKeys<'a>
impl<'a> Iterator for IndexPropertyKeys<'a> type Item = &'a u32;
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Notable traits for IndexPropertyKeys<'a>
impl<'a> Iterator for IndexPropertyKeys<'a> type Item = &'a u32;
An iterator visiting all index keys in arbitrary order. The iterator element type is &'a u32
.
This iterator does not recurse down the prototype chain.
pub fn index_property_values(&self) -> IndexPropertyValues<'_>ⓘNotable traits for IndexPropertyValues<'a>
impl<'a> Iterator for IndexPropertyValues<'a> type Item = &'a PropertyDescriptor;
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Notable traits for IndexPropertyValues<'a>
impl<'a> Iterator for IndexPropertyValues<'a> type Item = &'a PropertyDescriptor;
An iterator visiting all index values in arbitrary order. The iterator element type is &'a Property
.
This iterator does not recurse down the prototype chain.
pub fn string_properties(&self) -> StringProperties<'_>ⓘNotable traits for StringProperties<'a>
impl<'a> Iterator for StringProperties<'a> type Item = (&'a RcString, &'a PropertyDescriptor);
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Notable traits for StringProperties<'a>
impl<'a> Iterator for StringProperties<'a> type Item = (&'a RcString, &'a PropertyDescriptor);
An iterator visiting all string key-value pairs in arbitrary order. The iterator element type is (&'a RcString, &'a Property)
.
This iterator does not recurse down the prototype chain.
pub fn string_property_keys(&self) -> StringPropertyKeys<'_>ⓘNotable traits for StringPropertyKeys<'a>
impl<'a> Iterator for StringPropertyKeys<'a> type Item = &'a RcString;
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Notable traits for StringPropertyKeys<'a>
impl<'a> Iterator for StringPropertyKeys<'a> type Item = &'a RcString;
An iterator visiting all string keys in arbitrary order. The iterator element type is &'a RcString
.
This iterator does not recurse down the prototype chain.
pub fn string_property_values(&self) -> StringPropertyValues<'_>ⓘNotable traits for StringPropertyValues<'a>
impl<'a> Iterator for StringPropertyValues<'a> type Item = &'a PropertyDescriptor;
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Notable traits for StringPropertyValues<'a>
impl<'a> Iterator for StringPropertyValues<'a> type Item = &'a PropertyDescriptor;
An iterator visiting all string values in arbitrary order. The iterator element type is &'a Property
.
This iterator does not recurse down the prototype chain.
impl Object
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pub fn new() -> Self
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pub fn function(function: Function, prototype: Value) -> Self
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Return a new ObjectData struct, with kind
set to Ordinary
pub fn create(proto: Value) -> Self
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ObjectCreate is used to specify the runtime creation of new ordinary objects.
More information:
pub fn boolean(value: bool) -> Self
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Return a new Boolean object whose [[BooleanData]]
internal slot is set to argument.
pub fn number(value: f64) -> Self
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Return a new Number
object whose [[NumberData]]
internal slot is set to argument.
pub fn string<S>(value: S) -> Self where
S: Into<RcString>,
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S: Into<RcString>,
Return a new String
object whose [[StringData]]
internal slot is set to argument.
pub fn bigint(value: RcBigInt) -> Self
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Return a new BigInt
object whose [[BigIntData]]
internal slot is set to argument.
pub fn native_object<T>(value: T) -> Self where
T: NativeObject,
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T: NativeObject,
Create a new native object of type T
.
pub fn is_callable(&self) -> bool
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It determines if Object is a callable function with a [[Call]]
internal method.
More information:
pub fn is_constructable(&self) -> bool
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It determines if Object is a function object with a [[Construct]]
internal method.
More information:
pub fn is_array(&self) -> bool
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Checks if it an Array
object.
pub fn as_array(&self) -> Option<()>
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pub fn is_array_iterator(&self) -> bool
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Checks if it is an ArrayIterator
object.
pub fn as_array_iterator(&self) -> Option<&ArrayIterator>
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pub fn as_array_iterator_mut(&mut self) -> Option<&mut ArrayIterator>
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pub fn as_string_iterator_mut(&mut self) -> Option<&mut StringIterator>
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pub fn as_for_in_iterator(&self) -> Option<&ForInIterator>
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pub fn as_for_in_iterator_mut(&mut self) -> Option<&mut ForInIterator>
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pub fn is_map(&self) -> bool
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Checks if it is a Map
object.pub
pub fn as_map_ref(&self) -> Option<&OrderedMap<Value, Value>>
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pub fn as_map_mut(&mut self) -> Option<&mut OrderedMap<Value, Value>>
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pub fn as_map_iterator_mut(&mut self) -> Option<&mut MapIterator>
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pub fn is_string(&self) -> bool
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Checks if it a String
object.
pub fn as_string(&self) -> Option<RcString>
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pub fn is_function(&self) -> bool
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Checks if it a Function
object.
pub fn as_function(&self) -> Option<&Function>
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pub fn is_symbol(&self) -> bool
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Checks if it a Symbol object.
pub fn as_symbol(&self) -> Option<RcSymbol>
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pub fn is_error(&self) -> bool
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Checks if it an Error object.
pub fn as_error(&self) -> Option<()>
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pub fn is_boolean(&self) -> bool
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Checks if it a Boolean object.
pub fn as_boolean(&self) -> Option<bool>
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pub fn is_number(&self) -> bool
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Checks if it a Number
object.
pub fn as_number(&self) -> Option<f64>
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pub fn is_bigint(&self) -> bool
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Checks if it a BigInt
object.
pub fn as_bigint(&self) -> Option<&BigInt>
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pub fn is_regexp(&self) -> bool
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Checks if it a RegExp
object.
pub fn as_regexp(&self) -> Option<&RegExp>
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pub fn is_ordinary(&self) -> bool
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Checks if it an ordinary object.
pub fn prototype_instance(&self) -> &Value
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pub fn set_prototype_instance(&mut self, prototype: Value) -> bool
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Sets the prototype instance of the object.
pub fn with_prototype(proto: Value, data: ObjectData) -> Object
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Similar to Value::new_object
, but you can pass a prototype to create from, plus a kind
pub fn is_native_object(&self) -> bool
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Returns true
if it holds an Rust type that implements NativeObject
.
pub fn as_native_object(&self) -> Option<&dyn NativeObject>
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pub fn is<T>(&self) -> bool where
T: NativeObject,
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T: NativeObject,
Reeturn true
if it is a native object and the native type is T
.
pub fn downcast_ref<T>(&self) -> Option<&T> where
T: NativeObject,
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T: NativeObject,
Downcast a reference to the object,
if the object is type native object type T
.
pub fn downcast_mut<T>(&mut self) -> Option<&mut T> where
T: NativeObject,
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T: NativeObject,
Downcast a mutable reference to the object,
if the object is type native object type T
.
Trait Implementations
impl Debug for Object
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impl Default for Object
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impl Drop for Object
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impl Finalize for Object
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impl From<Object> for Value
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impl Trace for Object
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Auto Trait Implementations
impl !RefUnwindSafe for Object
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impl !Send for Object
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impl !Sync for Object
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impl Unpin for Object
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impl !UnwindSafe for Object
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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,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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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> NativeObject for T where
T: Any + Debug + Trace,
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T: Any + Debug + Trace,
pub fn as_any(&Self) -> &(dyn Any + 'static)
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pub fn as_mut_any(&mut Self) -> &mut (dyn Any + 'static)
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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>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,