Required class

Used to annotate a named parameter p in a method or function f.

See required for more details.

Constructors

Required([String reason = ''])
Initialize a newly created instance to have the given reason.
const

Properties

reason String
A human-readable explanation of the reason why the annotated parameter is required. For example, the annotation might look like: [...]
final
hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

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

Operators

operator ==(dynamic other) bool
The equality operator. [...]
inherited