Method for using structs / json to access attributes

[mtao]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 93.55828% with 21 lines in your changes missing coverage. Please review.

Project coverage is 77.19%. Comparing base (9cd80db) to head (89002a7).
Report is 11 commits behind head on main.

Files with missing lines	Patch %	Lines
...h/src/wmtk/components/multimesh/MeshCollection.cpp	31.25%	11 Missing ⚠️
.../wmtk/components/multimesh/utils/get_attribute.cpp	94.56%	5 Missing ⚠️
...omponents/multimesh/utils/AttributeDescription.cpp	92.00%	2 Missing ⚠️
...onents/multimesh/utils/detail/named_error_text.cpp	88.23%	2 Missing ⚠️
components/multimesh/tests/utils.cpp	93.75%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #842      +/-   ##
==========================================
+ Coverage   76.76%   77.19%   +0.43%     
==========================================
  Files         466      476      +10     
  Lines       23376    23643     +267     
  Branches     2620     2634      +14     
==========================================
+ Hits        17945    18252     +307     
+ Misses       5420     5380      -40     
  Partials       11       11              

Flag	Coverage Δ
wildmeshing	77.19% <93.55%> (+0.43%)	⬆️

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