re: Ever been stumped by <E>, <T>, <K, V> in OO language documentation? VIEW POST

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Remember Dart 2.1 has int-to-double conversion? I tried this with the Tween where T is dynamic, so its either 1.0 or 0.0 or a widget, and gave me an error to the flutter engine.

For some cases, I still have doubts to use Generics.

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