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creational/singleton: avoid another object creation

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Pramono 2019-10-09 23:19:52 +07:00
parent f978e42036
commit 668ab73b62
1 changed files with 5 additions and 3 deletions
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8
creational/singleton.md
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@ -16,9 +16,11 @@ var (
)
func New() singleton {
once.Do(func() {
instance = make(singleton)
})
if singleton == nil {
once.Do(func() {
instance = make(singleton)
})
}
return instance
}