Strings RFC updates

[acoglio]

For tomorrow's meeting.

[codecov]

Codecov Report

Merging #928 (554cc30) into master (2ddb474) will decrease coverage by 0.18%.
The diff coverage is n/a.

❗ Current head 554cc30 differs from pull request most recent head 50e6f93. Consider uploading reports for the commit 50e6f93 to get more accurate results

@@            Coverage Diff             @@
##           master     #928      +/-   ##
==========================================
- Coverage   77.46%   77.27%   -0.19%     
==========================================
  Files         467      467              
  Lines       20266    20266              
==========================================
- Hits        15699    15661      -38     
- Misses       4567     4605      +38     

Impacted Files	Coverage Δ
compiler/src/expression/arithmetic/pow.rs	0.00% <0.00%> (-55.56%)	⬇️
compiler/tests/integers/int_macro.rs	92.15% <0.00%> (-7.85%)	⬇️
compiler/src/value/integer/integer.rs	81.94% <0.00%> (-4.87%)	⬇️
compiler/src/value/integer/macros.rs	57.69% <0.00%> (-3.85%)	⬇️
compiler/src/expression/expression.rs	92.68% <0.00%> (-1.22%)	⬇️

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[bendyarm]

different --> difference

[bendyarm]

Approve but mention typo line 304