add matches function

[drmorr0]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 86.95652% with 3 lines in your changes missing coverage. Please review.

Project coverage is 72.26%. Comparing base (2bb6366) to head (491c203).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/lib.rs	86.95%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master       #1      +/-   ##
==========================================
+ Coverage   66.66%   72.26%   +5.60%     
==========================================
  Files           1        1              
  Lines          99      119      +20     
==========================================
+ Hits           66       86      +20     
  Misses         33       33              

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