Owlkettle 2.0.0 is a declarative GUI framwork for GTK 4

Anyway you can document the dialogs and properties? I didn't know that you can't add two boxes and if you want to (At least from what I see) is you have to use properties for instance the customer_dialog.nim file. Love the framework so far , having lots of fun. Thanks again.

Nim conspicuously contradicts its efficient, simplicity philosophy

I have added `setLambda` macro to this repository with the bug fix and tests:

Nim v1.6.6 support for Codewars

Codewars previously supported Nim v1.0.0 but since then Nim has changed a lot making solving katas (exercises) in Codewars difficult because of the old support. And recently in this [issue](https://github.com/codewars/runner/issues/174) they added it but there are 96 katas that need to be updat

Effect system: filtering tags

Nice! My gut feeling is we might be able to use this to introduce `unsafe` tags in the language around some unsafe constructs (like `addr`), then by forbidding `unsafe` at the top level `cast` creatively delimit the unsafe boundaries.