Add short func with named return

[sashamelentyev]

This PR is sponsored by Evrone

[codecov]

Codecov Report

Merging #2837 (7e0eb24) into master (527d950) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2837      +/-   ##
==========================================
- Coverage   98.75%   98.75%   -0.01%     
==========================================
  Files          41       41              
  Lines        3063     3059       -4     
==========================================
- Hits         3025     3021       -4     
  Misses         26       26              
  Partials       12       12              

Flag	Coverage Δ
go-1.13	98.75% <100.00%> (-0.01%)	⬇️
go-1.14	98.59% <100.00%> (-0.01%)	⬇️
go-1.15	98.59% <100.00%> (-0.01%)	⬇️
go-1.16	98.59% <100.00%> (-0.01%)	⬇️
macos-latest	98.75% <100.00%> (-0.01%)	⬇️
nomsgpack	98.73% <100.00%> (-0.01%)	⬇️
ubuntu-latest	98.75% <100.00%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
context.go	97.97% <100.00%> (-0.02%)	⬇️

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[sashamelentyev]

@appleboy @thinkerou

[thinkerou]

lgtm