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Answer by Andrea Rossi for Dart - How to create custom types on the fly like...
Yes, today you can use typedefs from 2.13 dart versiontypedef IntList = List<int>;IntList il = [1, 2, 3];https://dart.dev/language/typedefs
View ArticleAnswer by Rick Gladwin for Dart - How to create custom types on the fly like...
Another way to enforce custom types in Dart is to use assertions in a constructor (when your custom type is being used).class SomeClass { final String someVariable SomeClass(this.someVariable) :...
View ArticleAnswer by Michael Horn for Dart - How to create custom types on the fly like...
Original Answer (see updates below): This isn't possible at the language level in Dart - There are a couple alternatives though.You could simply define an enum along with a method to derive a string...
View ArticleDart - How to create custom types on the fly like in Typescript?
I want to create a custom type in Dart like I would do in typescript. This type should be a subtype of String, accepting only some values.For example, in Typescript I would do:type myType = 'HELLO' |...
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