add comptime check for uint2str input

[iFrostizz]

What I did

Closes #3641

How I did it

How to verify it

Commit message

Fix type check for uint2str at compile-time, closes #3641

Description for the changelog

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4dd47e3) 89.61% compared to head (339143a) 90.23%.
Report is 5 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3671      +/-   ##
==========================================
+ Coverage   89.61%   90.23%   +0.62%     
==========================================
  Files          80       79       -1     
  Lines       11343    11260      -83     
  Branches     2553     2545       -8     
==========================================
- Hits        10165    10161       -4     
+ Misses        791      712      -79     
  Partials      387      387              

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