SentinelKind class abstract
A SentinelKind is used to distinguish different kinds of Sentinel
objects.
Adding new values to SentinelKind is considered a backwards compatible
change. Clients must handle this gracefully.
Constructors
Properties
- hashCode → int
- 
  The hash code for this object.
  no setterinherited
- runtimeType → Type
- 
  A representation of the runtime type of the object.
  no setterinherited
Methods
- 
  noSuchMethod(Invocation invocation) → dynamic 
- 
  Invoked when a nonexistent method or property is accessed.
  inherited
- 
  toString() → String 
- 
  A string representation of this object.
  inherited
Operators
- 
  operator ==(Object other) → bool 
- 
  The equality operator.
  inherited
Constants
- kBeingInitialized → const String
- Deprecated, no longer used.
- kCollected → const String
- Indicates that the object referred to has been collected by the GC.
- kExpired → const String
- Indicates that an object id has expired.
- kFree → const String
- Reserved for future use.
- kNotInitialized → const String
- Indicates that a variable or field has not been initialized.
- kOptimizedOut → const String
- Indicates that a variable has been eliminated by the optimizing compiler.