unnecessary_null_aware_operator_on_extension_on_nullable

Unnecessary null aware operator on extension on a nullable type.

Avoid null aware operators for members defined in an extension on a nullable type.

BAD:

extension E on int? {  int m() => 1; } f(int? i) => i?.m(); 

GOOD:

extension E on int? {  int m() => 1; } f(int? i) => i.m(); 

To enable the unnecessary_null_aware_operator_on_extension_on_nullable rule, add unnecessary_null_aware_operator_on_extension_on_nullable under linter > rules in your analysis_options.yaml file:

linter:  rules:  - unnecessary_null_aware_operator_on_extension_on_nullable 

If you're instead using the YAML map syntax to configure linter rules, add unnecessary_null_aware_operator_on_extension_on_nullable: true under linter > rules:

linter:  rules:  unnecessary_null_aware_operator_on_extension_on_nullable: true