Dart SDK
dart:collection
Maps
putIfAbsent
method
putIfAbsent
Maps
Static methods
containsValue
containsKey
putIfAbsent
clear
forEach
getValues
length
isEmpty
isNotEmpty
mapToString
Constructors
Maps
dynamic
putIfAbsent
(
Map
map
,
key
,
dynamic
ifAbsent
()
)
(Not documented.)