PreviousValueGetter<T> class

Evaluates the previous value passed to the accept method of this object, returning null in the first call.

final PreviousValueGetter<int> getter = SequentialGetter.previous();
print(getter.accept(1));   // null
print(getter.accept(7));   // 1
print(getter.accept(2));   // 7
print(getter.accept(5));   // 2

Inheritance

• Object
• SequentialGetter<T, T?>
• PreviousValueGetter

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

accept(T value) → T?

override

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