set slim state; closes #376

[petrelharp]

I'm not sure if this is the right name for this functionality? But I think it does what we want, @ShyamieG - might you be able to have a look?

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.86%. Comparing base (e2470ab) to head (e9d7eb3).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #384      +/-   ##
==========================================
+ Coverage   96.75%   96.86%   +0.10%     
==========================================
  Files           8        8              
  Lines         771      797      +26     
  Branches      142      148       +6     
==========================================
+ Hits          746      772      +26     
  Misses         15       15              
  Partials       10       10              

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[petrelharp]

I'm going to merge this, but I'm still hoping @ShyamieG or @bhaller could have a critical read of the docs. Feel free to make comments on this PR (but maybe ping me on slack).

[bhaller]

I'm going to merge this, but I'm still hoping @ShyamieG or @bhaller could have a critical read of the docs. Feel free to make comments on this PR (but maybe ping me on slack).

@petrelharp I already replied to you on Slack...