avoid allocation by reserving space

[firedtoad]

avoid allocation by reserving space

[codecov[bot]]

Codecov Report

Merging #228 (c769016) into master (990db79) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #228      +/-   ##
==========================================
+ Coverage   82.35%   82.36%   +0.01%     
==========================================
  Files          18       18              
  Lines        1746     1747       +1     
==========================================
+ Hits         1438     1439       +1     
  Misses        255      255              
  Partials       53       53              

Flag	Coverage Δ
unittests	82.36% <100.00%> (+0.01%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
codec.go	87.93% <100.00%> (+0.06%)	:arrow_up:

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[panjf2000]

I wonder if this code change is making an appreciable result?

[panjf2000]

Closing stale PR.