[👷] Road to v2 🚀 - Refactor DAG Maps to sync.Map and Improve invoke Function Readability

[K4L1Ma]

This PR introduces improvements to the codebase by replacing certain maps and mutexes with sync.Map for enhanced concurrency safety. Additionally, modifications have been made to the invoke function to improve its readability, making the code more comprehensible.

Relates to #45

Changes:

Utilization of sync.Map:

Replaced existing maps and mutexes with sync.Map for improved concurrency handling.
This enhances the safety and efficiency of the code, particularly in scenarios involving concurrent access to maps.

Enhanced invoke Function:

Made changes to the invoke function to enhance readability.
Improved the structure and clarity of the code for easier understanding and maintenance.

Purpose:

The goal of these changes is to enhance the overall robustness and clarity of the codebase. The adoption of sync.Map improves concurrent map operations, while the refactoring of the invoke function aims to make the code more legible and maintainable.

Testing:

The changes have been tested to ensure that the refactored code retains its functionality and performs as expected. Unit tests have been executed to validate the correctness of the modifications.

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (97bcede) 82.96% compared to head (2cf81c8) 83.06%.

Files	Patch %	Lines
virtual_scope.go	91.66%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             v2-🚀      #48      +/-   ##
==========================================
+ Coverage   82.96%   83.06%   +0.10%     
==========================================
  Files          21       21              
  Lines        1438     1453      +15     
==========================================
+ Hits         1193     1207      +14     
- Misses        217      218       +1     
  Partials       28       28              

Flag	Coverage Δ
unittests	83.06% <98.98%> (+0.10%)	⬆️

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[samber]

Thanks for this improvement and above all, for making it more readable. 😁