Refactor for allocations.jl

[VarLad]

Usage:

@prep CheckerOptions(params) begin
# anything here
  @check begin
     # code to be checked here
   end
 end

[codecov-commenter]

Codecov Report

Attention: 11 lines in your changes are missing coverage. Please review.

Comparison is base (007f9f7) 30.89% compared to head (ae3fa0b) 19.40%.

❗ Current head ae3fa0b differs from pull request most recent head 57c2789. Consider uploading reports for the commit 57c2789 to get more accurate results

Files	Patch %	Lines
src/alloc.jl	66.66%	7 Missing ⚠️
src/check.jl	69.23%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##              dev      #21       +/-   ##
===========================================
- Coverage   30.89%   19.40%   -11.50%     
===========================================
  Files           5        6        +1     
  Lines         178      134       -44     
===========================================
- Hits           55       26       -29     
+ Misses        123      108       -15     

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