Validate that `self` must be the first parameter in impl method

[dsocolobsky]

I think this solves #216 ? Let me know if I need to change anything.

[github-actions[bot]]

Benchmarking (macOS) factorial

Compiling factorial (factorial.con) Finished release in 1.871051667s Running 5000000 iterations Using input value: 20 Concrete Result = 2432902008176640000 Time taken : 39.05 ms Rust Result = 2432902008176640000 Time taken : 33.91 ms

Benchmarking (macOS) fib

Compiling fib (fib.con) Finished release in 168.960291ms Running 5000 iterations Using input value: 20 Concrete Result = 6765 Time taken : 100.83 ms Rust Result = 6765 Time taken : 109.89 ms

[github-actions[bot]]

Benchmarking (Linux) factorial

Compiling factorial (factorial.con) Finished release in 32.892612ms Running 5000000 iterations Using input value: 20 Concrete Result = 2432902008176640000 Time taken : 96.89 ms Rust Result = 2432902008176640000 Time taken : 60.43 ms

Benchmarking (Linux) fib

Compiling fib (fib.con) Finished release in 26.116232ms Running 5000 iterations Using input value: 20 Concrete Result = 6765 Time taken : 136.93 ms Rust Result = 6765 Time taken : 85.86 ms

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 12 lines in your changes missing coverage. Please review.

Project coverage is 56.16%. Comparing base (4802a28) to head (73fbbae).

Files with missing lines	Patch %	Lines
src/check/mod.rs	0.00%	12 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #236      +/-   ##
==========================================
- Coverage   56.29%   56.16%   -0.13%     
==========================================
  Files          25       25              
  Lines        5516     5528      +12     
==========================================
  Hits         3105     3105              
- Misses       2411     2423      +12     

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