format: retain comments in import statements

[avh4]

• retain comments between import keyword and module name
• retain comments between module name and ...
  • as keyword
  • exposing keyword
  • next freshline
  • do not attach subsequent comments that are indented less than 1 column
• retain comments between as keyword and module alias name
• retain comments between module alias name and ...
  • exposing keyword
  • next freshline
  • do not attach subsequent comments that are indented less than 1 column
• retain comments between exposing keyword and exposing listing
• retain comments between exposing listing and next freshline
  • do not attach subsequent comments that are indented less than 1 column

Not included in this PR (will be in a future PR):

• retain freshline (column zero) comments between import statements
• retain freshline (column zero) comments between the last import and the first top-level definition (part of format: retain top-level comments #153)

Note: After thinking through how trailing comments will want to be attached to AST nodes in other places, the approach taken here of adding a Space.chompIndentedAtLeast seems like the best approach and also seems to be the simplest and most flexible of the different options I came up with.

[robinheghan]

Code looks good to me. Ready to merge?

[avh4]

Yep, ready!

…

On Fri, Nov 25, 2022, 12:42 AM Robin Heggelund Hansen < ***@***.***> wrote: Code looks good to me. Ready to merge? — Reply to this email directly, view it on GitHub <#142 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAAAJRXKUNV54J3HLUCNICDWKB3XBANCNFSM6AAAAAAQ333RQE> . You are receiving this because you authored the thread.Message ID: ***@***.***>