Saver<K> class abstract

Loads and saves a value of an input widget.

Implementers

• NoOpSaver

Constructors

Saver()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

load<T>(K itemKey) → Future<T?>

Loads the value of a data item from the storage.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

save<T>(K itemKey, T? value) → Future<OperationResult>

Saves a value to the storage by itemKey.

toString() → String

A string representation of this object.

inherited

validate<T>(K itemKey, T? value) → OperationResult

Validates whether value is allowed to be stored for itemKey. Disallowed values will not be passed to save.

Operators

operator ==(Object other) → bool

The equality operator.

inherited