![flutter - Null Related Error - The argument type 'String? Function(String)' can't be assigned to the parameter type 'String? Function(String?)?' - Stack Overflow flutter - Null Related Error - The argument type 'String? Function(String)' can't be assigned to the parameter type 'String? Function(String?)?' - Stack Overflow](https://i.stack.imgur.com/Gco6Q.png)
flutter - Null Related Error - The argument type 'String? Function(String)' can't be assigned to the parameter type 'String? Function(String?)?' - Stack Overflow
![Exploring String methods in Dart. In my last article, I talked about… | by Darshan Kawar | Flutter Community | Medium Exploring String methods in Dart. In my last article, I talked about… | by Darshan Kawar | Flutter Community | Medium](https://miro.medium.com/v2/resize:fit:1208/1*Y2EjdXtirW4LS0D87L_0Iw.png)
Exploring String methods in Dart. In my last article, I talked about… | by Darshan Kawar | Flutter Community | Medium
![The argument type 'String?' can't be assigned to the parameter type 'String'. · Issue #92792 · flutter/flutter · GitHub The argument type 'String?' can't be assigned to the parameter type 'String'. · Issue #92792 · flutter/flutter · GitHub](https://user-images.githubusercontent.com/62276296/139593358-692af748-80e7-473f-a547-b38abae529f5.png)
The argument type 'String?' can't be assigned to the parameter type 'String'. · Issue #92792 · flutter/flutter · GitHub
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