Code formatting prep

[jgabry]

Submission Checklist

• Run unit tests
• Declare copyright holder and agree to license (see below)

Summary

Prep for #1199 (#1153).

Copyright and Licensing

Please list the copyright holder for the work you are submitting
(this will be you or your assignee, such as a university or company):
Jonah Gabry

By submitting this pull request, the copyright holder is agreeing to
license the submitted work under the following licenses:

• Code: BSD 3-clause (https://opensource.org/licenses/BSD-3-Clause)
• Documentation: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

[codecov-commenter]

Codecov Report

❌ Patch coverage is 87.97654% with 41 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (v1.0@237351b). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
R/install.R	47.61%	22 Missing ⚠️
R/build.R	30.00%	7 Missing ⚠️
R/fit.R	94.28%	4 Missing ⚠️
R/zzz.R	50.00%	4 Missing ⚠️
R/csv.R	84.61%	2 Missing ⚠️
R/expose.R	81.81%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             v1.0    #1320   +/-   ##
=======================================
  Coverage        ?   93.96%           
=======================================
  Files           ?       19           
  Lines           ?     7641           
  Branches        ?        0           
=======================================
  Hits            ?     7180           
  Misses          ?      461           
  Partials        ?        0           

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