algebraic_types

Releases

1. ▸▾0.0.519 Dec 2024

   <div class="highlight highlight-source-dart notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="import 'package:algebrai

   Enum type

   import 'package:algebraic_types/algebraic_types.dart';
   import 'package:json/json.dart';
   
   void main() {
     var w = W.Variant1(C(2));
     w = W.fromJson(w.toJson());
     assert(w is W$Variant1);
     print(w.toJson()); // {"Variant1": {"x": 2}}
     w = W.Variant2(C(1), B("hello"));
     w = W.fromJson(w.toJson());
     assert(w is W$Variant2);
     print(w.toJson()); // {"Variant2": [{"x": 1}, {"x": hello}]}
     w = W.Variant3();
     assert(w is W$Variant3);
     print(w.toJson()); // {"Variant3": null}
     switch (w) {
       case W$Variant1(:final v1):
         print("Variant1");
       case W$Variant2(:final v1, :final v2):
         print("Variant2");
       case W$Variant3():
         print("Variant3");
     }
   }
   
   @JsonCodable()
   class C {
     int x;
   
     C(this.x);
   }
   
   @JsonCodable()
   class B {
     String x;
   
     B(this.x);
   }
   
   // or just `@Enum` if you don't want json
   @EnumSerde(
     "Variant1(C)",
     "Variant2(C,B)",
     "Variant3"
   )
   class _W {}

   Full Changelog: https://github.com/mcmah309/algebraic_types/commits/v0.0.5