Break down function argument code

[JohnnyMorganz]

Cleaning up the tech debt, this code was very difficult to read.
Its still not great, but its an improvement

[JohnnyMorganz]

Why are actions not running 🤔

[codecov]

Codecov Report

Merging #408 (67f2a5f) into master (32208aa) will increase coverage by 0.14%.
The diff coverage is 98.70%.

@@            Coverage Diff             @@
##           master     #408      +/-   ##
==========================================
+ Coverage   96.25%   96.40%   +0.14%     
==========================================
  Files          14       14              
  Lines        5047     5057      +10     
==========================================
+ Hits         4858     4875      +17     
+ Misses        189      182       -7     

Impacted Files	Coverage Δ
src/formatters/functions.rs	98.60% <98.70%> (+1.01%)	⬆️

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