NullValRef class

NullValRef is a reference to an a NullVal.



NullValRef({String? valueAsString})


allocationLocation InstanceRef?
The stack trace associated with the allocation of a ReceivePort.
read / writeinherited
classRef ClassRef?
Instance references always include their class.
read / writeinherited
closureContext ContextRef?
The context associated with a Closure instance.
read / writeinherited
closureFunction FuncRef?
The function associated with a Closure instance.
read / writeinherited
debugName String?
A name associated with a ReceivePort used for debugging purposes.
read / 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.
read / writeinherited
hashCode int
The hash code for this object.
id String?
A unique identifier for an Object. Passed to the getObject RPC to load this Object.
read / writeinherited
identityHashCode int?
The identityHashCode assigned to the allocated object. This hash code is the same as the hash code provided in HeapSnapshot and CpuSample's returned by getAllocationTraces().
read / writeinherited
json Map<String, dynamic>?
read / writeinherited
kind String?
What kind of instance is this?
read / writeinherited
label String?
The label associated with a UserTag.
read / writeinherited
length int?
The number of (non-static) fields of a PlainInstance, or the length of a List, or the number of associations in a Map, or the number of codeunits in a String, or the total number of fields (positional and named) in a Record.
read / writeinherited
name String?
The name of a Type instance.
read / writeinherited
parameterizedClass ClassRef?
The parameterized class of a type parameter.
read / writeinherited
parameters List<Parameter>?
The list of parameter types for a function.
read / writeinherited
pattern InstanceRef?
The pattern of a RegExp instance.
read / writeinherited
portId int?
The port ID for a ReceivePort.
read / writeinherited
returnType InstanceRef?
The return type of a function.
read / writeinherited
runtimeType Type
A representation of the runtime type of the object.
type String
typeClass ClassRef?
The corresponding Class if this Type has a resolved typeClass.
read / writeinherited
typeParameters List<InstanceRef>?
The type parameters for a function.
read / writeinherited
valueAsString String?
Always 'null'.
read / writeoverride
valueAsStringIsTruncated bool?
The valueAsString for String references may be truncated. If so, this property is added with the value 'true'.
read / writeinherited


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


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

Static Methods

parse(Map<String, dynamic>? json) NullValRef?