What is null-aware operator in flutter?

To check for null , empty and false , you could do: if (map?[‘key’]? .

To check for null , empty and false , you could do: if (map?[‘key’]? .

Null-aware operators in Dart help resolve this issue. They’re operators to say, “If this object or value is null , then forget about it: stop trying to execute this code.” The number-one rule of writing Dart code is to be concise but not pithy.