Filip Hracek c121b2d2a6 Follow best practice of ProxyProvider updating (#298) ...

* Upgrade to pkg:provider 4.0

* Follow best practice of ProxyProvider updating

The addresses feedback from https://github.com/flutter/samples/issues/245. Instead of constructing a new `CartModel`, we merely update the `catalog` field.

We no longer need a fancy constructor, and `CartModel._catalog` cannot be final any more.

2020-01-31 13:25:14 -08:00

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cart.dart

Follow best practice of ProxyProvider updating (#298)

2020-01-31 13:25:14 -08:00

catalog.dart

Add provider_shopper (#87)

2019-07-23 15:40:43 -07:00