Create an instance of an Generic Class from a String in Dart? [duplicate]

问题

This question already has answers here:

how to invoke class form dart library string or file (2 answers)

Closed 4 years ago.

Hello from here I know that I can create an instance from a String:

How to get a Class name dynamically (from a string) in Dart, then create an instance?

but How do I create an instance of a Generic class from a String, ie:

var class_name = "GenericController<Book>"; // user input here
new class_name();

回答1:

This is not currently possible (as you probably noticed). There's an open case in the Dart issue tracker you should Star to show your interest:

https://code.google.com/p/dart/issues/detail?id=12921

来源：https://stackoverflow.com/questions/25316086/create-an-instance-of-an-generic-class-from-a-string-in-dart