improve nil receiver handling for package gtime

[gqcn]

No description provided.

[codecov-commenter]

Codecov Report

Base: 76.54% // Head: 76.55% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (70c7ad2) compared to base (33fdde6).
Patch coverage: 31.57% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2226      +/-   ##
==========================================
+ Coverage   76.54%   76.55%   +0.01%     
==========================================
  Files         581      581              
  Lines       48318    48335      +17     
==========================================
+ Hits        36983    37001      +18     
- Misses       9312     9314       +2     
+ Partials     2023     2020       -3     

Flag	Coverage Δ
go-1.15-386	76.57% <31.57%> (?)
go-1.15-amd64	76.58% <31.57%> (?)
go-1.16-386	76.57% <31.57%> (?)
go-1.16-amd64	76.56% <31.57%> (?)
go-1.17-386	76.57% <31.57%> (?)
go-1.17-amd64	76.57% <31.57%> (-0.02%)	⬇️
go-1.18-386	76.49% <31.57%> (-0.02%)	⬇️
go-1.18-amd64	76.48% <31.57%> (-0.03%)	⬇️

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

Impacted Files	Coverage Δ
os/gtime/gtime_time.go	81.56% <31.57%> (-4.15%)	⬇️
container/gtree/gtree_avltree.go	95.97% <0.00%> (+0.57%)	⬆️
os/glog/glog_logger_rotate.go	64.70% <0.00%> (+1.35%)	⬆️
os/gspath/gspath_cache.go	94.73% <0.00%> (+7.01%)	⬆️
os/gcache/gcache_adapter_memory_lru.go	97.82% <0.00%> (+8.69%)	⬆️

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