Add variadic support for templates

[aaronj0]

No description provided.

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 73.68%. Comparing base (12e6e69) to head (2ef2734).

Files with missing lines	Patch %	Lines
lib/Interpreter/CppInterOp.cpp	66.66%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #324      +/-   ##
==========================================
- Coverage   73.71%   73.68%   -0.04%     
==========================================
  Files           8        8              
  Lines        3021     3025       +4     
==========================================
+ Hits         2227     2229       +2     
- Misses        794      796       +2     

Files with missing lines	Coverage Δ
lib/Interpreter/CppInterOp.cpp	79.50% <66.66%> (-0.07%)	⬇️

Files with missing lines	Coverage Δ
lib/Interpreter/CppInterOp.cpp	79.50% <66.66%> (-0.07%)	⬇️

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[vgvassilev]

We don't seem to have tests for the new code.

[aaronj0]

We don't seem to have tests for the new code.

There is an added unittest... It is still a draft though, will update with a case for TemplateArgument::ArgKind::Pack which are the 2 lines missing coverage