Add some missing constructors

[mtfishman]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.53%. Comparing base (2c04cbb) to head (e2647f3).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #44      +/-   ##
==========================================
+ Coverage   92.39%   92.53%   +0.14%     
==========================================
  Files          14       14              
  Lines         526      536      +10     
==========================================
+ Hits          486      496      +10     
  Misses         40       40              

Flag	Coverage Δ
docs	22.64% <0.00%> (-0.44%)	⬇️

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