Dart SDK
dart:core
Map
isNotEmpty
property
isNotEmpty
Map
Properties
keys
values
length
isEmpty
isNotEmpty
Constructors
Map
from
unmodifiable
identity
fromIterable
fromIterables
Operators
operator []
operator []=
Methods
containsValue
containsKey
putIfAbsent
addAll
remove
clear
forEach
bool
isNotEmpty
read-only
Returns true if there is at least one key-value pair in the map.