#2139 avoid lookupLinearSearch malloc slice

[zhuzhengyang]

PR Details

avoid lookupLinearSearch malloc slice

Related Issue

#2139

Motivation and Context

How Has This Been Tested

go test -v . -run=TestCalcCellValue

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Attention: Patch coverage is 90.38462% with 5 lines in your changes missing coverage. Please review.

Project coverage is 99.22%. Comparing base (bb1105b) to head (999a96f).

Files with missing lines	Patch %	Lines
calc.go	90.38%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2140      +/-   ##
==========================================
- Coverage   99.23%   99.22%   -0.02%     
==========================================
  Files          32       32              
  Lines       30303    30342      +39     
==========================================
+ Hits        30072    30106      +34     
- Misses        153      157       +4     
- Partials       78       79       +1     

Flag	Coverage Δ
unittests	99.22% <90.38%> (-0.02%)	⬇️

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[xuri]

Thanks for your PR. Please add unit test cover the changes.