astonishing-spray-1411

readme.md

astonishing-spray-1411

Created with <3 with dartpad.dev.

main.dart

extension Let<T extends Object> on T? {
  
  S? let<S>(S Function(T) f) {
    final self = this;
    
    if(self == null){
      return null;
    }
    return f(self);
    
  }
  
  
}

extension ObjectExtension<T> on T {
  E let2<E>(E Function(T data) action) => action(this);
}


void main() {
  
  
  String? s = getNullableString();
  
  s.let(printString);
  
  s.let2(printString);
  
}

String? getNullableString() => "hi";


void printString(String s) {
  print(s);
}