MapChangeRecord<K, V> class

A ChangeRecord that denotes adding, removing, or updating a map.

Implemented types

• ChangeRecord

Constructors

MapChangeRecord(K key, V? oldValue, V? newValue)

Create an update record of key from oldValue to newValue.

const

MapChangeRecord.insert(K key, V? newValue)

Create an insert record of key and newValue.

const

MapChangeRecord.remove(K key, V? oldValue)

Create a remove record of key with a former oldValue.

const

Properties

hashCode → int

The hash code for this object.

no setter, override

isInsert → bool

True if this key was inserted.

final

isRemove → bool

True if this key was removed.

final

key → K

The map key that changed.

final

newValue → V?

The new value associated with this key.

final

oldValue → V?

The previous value associated with this key.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

apply(Map<K, V> map) → void

Apply this change record to map.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override