Context class Null safety

A Context is a data structure which holds the captured variables for some closure.

Inheritance
Implemented types

Constructors

Context({int? length, List<ContextElement>? variables, required String id, ContextRef? parent})

Properties

classRef ↔ ClassRef?
If an object is allocated in the Dart heap, it will have a corresponding class object.
optional">@optionalread / writeinherited
fixedId ↔ bool?
Provided and set to true if the id of an Object is fixed. If true, the id of an Object is guaranteed not to change or expire. The object may, however, still be Collected.
optional">@optionalread / writeinherited
hashCode → int
The hash code for this object.
read-onlyoverride
id ↔ String?
A unique identifier for an Object. Passed to the getObject RPC to reload this Object.
read / writeinherited
json ↔ Map<String, dynamic>?
read / writeinherited
length ↔ int?
The number of variables in this context.
read / writeoverride
parent ↔ ContextRef?
The enclosing context for this context.
optional">@optionalread / write
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited
size ↔ int?
The size of this object in the heap.
optional">@optionalread / writeinherited
type → String
read-onlyoverride
variables ↔ List<ContextElement>?
The variables in this context object.
read / write

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toJson() → Map<String, dynamic>
override
toString() → String
A string representation of this object.
override

Operators

operator ==(Object other) → bool
The equality operator.
override

Static Methods

parse(Map<String, dynamic>? json) → Context?
override