Move uint128 operators implementation into the class

[chfast]

No description provided.

[sonarqubecloud]

Quality Gate passed

Issues
5 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.94%. Comparing base (4dddc55) to head (6d0e2fc).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #319      +/-   ##
==========================================
- Coverage   99.94%   99.94%   -0.01%     
==========================================
  Files          10       10              
  Lines        1892     1868      -24     
==========================================
- Hits         1891     1867      -24     
  Misses          1        1              

Flag	Coverage Δ
32bit	99.94% <100.00%> (-0.01%)	⬇️
gcc	99.40% <100.00%> (-0.01%)	⬇️

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Files with missing lines	Coverage Δ
include/intx/intx.hpp	99.86% <100.00%> (-0.01%)	⬇️