UnsupportedError class Null safety

The operation was not allowed by the object.

This Error is thrown when an instance cannot implement one of the methods in its signature. For example, it's used by unmodifiable versions of collections, when someone calls a modifying method.

Inheritance
Implementers

Constructors

UnsupportedError(String message)

Properties

hashCode int
The hash code for this object.
read-onlyinherited
message String?
final
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
stackTrace StackTrace?
The stack trace at the point where this error was first thrown.
read-onlyinherited

Methods

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

Operators

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