William Raendchen

add T_MATCH to nestingIncrements and fix workflow/tests config

2

1. opening a match construct increases nesting level 2. re-enable github runner to pick up test jobs by using a supported platform

Hi there, Could you please create a new tag for the latest master version?

clarify wording on pure-functions overview to allow immutable hidden state, and add an example

1

Updates the "pure functions" overview at https://docs.scala-lang.org/scala3/book/fp-pure-functions.html - adds clarification that accessing *immutable* hidden state is still considered pure - adds an example of this in form of a closure