description

# Opaque class abstract base

Opaque's subtypes represent opaque types in C.

Opaque's subtypes are not constructible in the Dart code and serve purely as markers in type signatures.

Implemented types
  - NativeType
Implementers
  - Dart_CObject

## Constructors

Opaque()

## 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