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singleton pattern in go
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| package singleton | |
| import ( | |
| "sync" | |
| ) | |
| type singleton struct { | |
| } | |
| var instance *singleton | |
| var once sync.Once | |
| func GetInstance() *singleton { | |
| once.Do(func() { | |
| instance = &singleton{} | |
| }) | |
| return instance | |
| } |
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