Dart SDK
dart:core
Map
<K, V>
length property
length
Map class
Constructors
Map
from
fromIterable
fromIterables
identity
unmodifiable
Properties
isEmpty
isNotEmpty
keys
length
values
hashCode
runtimeType
Methods
addAll
clear
containsKey
containsValue
forEach
putIfAbsent
remove
noSuchMethod
toString
Operators
operator []
operator []=
operator ==
Static methods
castFrom
length property
int
length
The number of key-value pairs in the map.
Implementation
int get length;