feat: Add array clone and discard ops

[mark-koch]

See #2097 for context

[codecov]

Codecov Report

Attention: Patch coverage is 85.79235% with 26 lines in your changes missing coverage. Please review.

Project coverage is 82.98%. Comparing base (078dfc5) to head (7e388fd).
Report is 1 commits behind head on feat/arrays.

Files with missing lines	Patch %	Lines
...rc/std_extensions/collections/array/array_clone.rs	86.17%	11 Missing and 2 partials ⚠️
.../std_extensions/collections/array/array_discard.rs	85.05%	11 Missing and 2 partials ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           feat/arrays    #2100      +/-   ##
===============================================
+ Coverage        82.96%   82.98%   +0.01%     
===============================================
  Files              223      225       +2     
  Lines            41839    42022     +183     
  Branches         37865    38048     +183     
===============================================
+ Hits             34713    34870     +157     
- Misses            5321     5343      +22     
- Partials          1805     1809       +4     

Flag	Coverage Δ
python	85.65% <ø> (ø)
rust	82.70% <85.79%> (+0.01%)	⬆️

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[ss2165]

Looks good other than construction confusions

[ss2165]

should this return Result rather than option?

at the very least docstring should explain the return type

[ss2165]

typo + formatting suggestion

[ss2165]

Suggested change

	/// Returns an error if the proveded element type is not copyable.
	/// # Errors
	/// If the provided element type is not copyable.