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Alexander Thomas bca5b896e5 [dart_internal] Support 2.18 
Change-Id: Iea0fb68809ad7b45795f87116cb3c38ccf6f5f9d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/240543
Auto-Submit: Alexander Thomas <athom@google.com>
Reviewed-by: Kevin Moore <kevmoo@google.com>
Commit-Queue: Alexander Thomas <athom@google.com>
2022-04-07 20:27:20 +00:00
..
lib Remove an unnecessary ignore comment from dart-internal 2021-03-22 18:49:36 +00:00
analysis_options.yaml Use new strict-casts option in dart_internal 2021-12-20 20:13:33 +00:00
CHANGELOG.md [dart_internal] Support 2.18 2022-04-07 20:27:20 +00:00
LICENSE Update LICENSE 2021-04-07 10:28:38 +00:00
OWNERS [infra] Add OWNERS to the Dart SDK 2022-02-14 14:06:34 +00:00
pubspec.yaml [dart_internal] Support 2.18 2022-04-07 20:27:20 +00:00
README.md Make warning more warning-y. 2018-03-02 02:04:44 +00:00

README.md

☠☠ Warning: This package is experimental and may be removed in a future version of Dart. ☠☠

This package is not intended for wide use. It provides a temporary API to solve the problem: "Given an object some generic type A, how do I construct an instance of generic type B with the same type argument(s)?"

This is necessary in a few rare places in order to migrate existing code to Dart 2's stronger type system. Eventually, the hope is to have direct language support for solving this problem but we don't have time to get that into 2.0, so this package is provided as a temporary workaround.

We will very likely remove support for this in a later version of Dart. Please avoid using this if you can. If you feel you do need to use it, please reach out to @munificent or @leafpetersen and let us know.