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Publish Your Own Packages to Pub

Pub, a package manager for Dart, is now accepting uploads of new and updated packages. Developers can self-publish their Dart libraries to pub.dartlang.org for other developers to use and enjoy.



Bob Nystrom sends the good news:


As Anders' announcement email said, with M2 out the door, you can now publish packages yourself to pub.dartlang.org. 
You'll need a Google account that you can use to authenticate. In theory, it's as simple as going into your package directory and running: 
$ pub publish 

It will walk you through the one-time authentication process, validate your package, and then you're good to go! 
We've tested this as thoroughly as we could, but our experience has been that users in the wild have a much greater variety of machine, operating system, software, and account configurations than we can hope to test for. 
Please be patient if you run into issues. File bugs and we'll do our best to sort them out as quickly as we can. 
Also, if you've filed a package upload request that we haven't gotten yet (likely because we are waiting on more information from you), please consider yourself empowered to handle that on your own now. You hold the keys to the castle!
 Get started with pub by downloading the Dart SDK or Dart Editor. We look forward to your feedback!

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Posted by Seth Ladd

(This is an "oldie but a goodie" misc@dartlang.org post originally written by Bob Nystrom. It is being posted here as the explanations still ring true.)

Bob writes:


"static", "final", and "const" mean entirely distinct things in Dart:

"static" means a member is available on the class itself instead of on instances of the class. That's all it means, and it isn't used for anything else. static modifies *members*.

"final" means single-assignment: a final variable or field *must* have an initializer. Once assigned a value, a final variable's value cannot be changed. final modifies *variables*.

"const" has a meaning that's a bit more complex and subtle in Dart. const modifies *values*. You can use it when creating collections, like const [1, 2, 3], and when constructing objects (instead of new) like const Point(2, 3). Here, const means that the object's entire deep state can be determ…