feat: add Cause function

[tdakkota]

No description provided.

[codecov]

Codecov Report

Merging #8 (cd0f0ab) into main (3d2f4f4) will increase coverage by 0.65%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main       #8      +/-   ##
==========================================
+ Coverage   84.93%   85.58%   +0.65%     
==========================================
  Files           6        6              
  Lines         219      229      +10     
==========================================
+ Hits          186      196      +10     
  Misses         29       29              
  Partials        4        4              

Impacted Files	Coverage Δ
frame.go	73.91% <100.00%> (ø)
wrap.go	80.00% <100.00%> (+5.71%)	⬆️

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