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hjr265.me | ||
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www.integralist.co.uk
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| | | | | The following code doesn't do what you might expect: package main import "fmt" func main() { var i *impl fmt.Println("i == nil:", i == nil) what(i) } type impl struct{} func (i *impl) do() {} func what(i interface{ do() }) { fmt.Println("i == nil:", i == nil) } If you expected the what function to print i == nil: true, then keep reading... Typed Nils The behavior observed is due to the way interfaces and nil values interact in Go. | |
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infinitedigits.co
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| | | | | Exploring meta-behaviors. | |
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livesys.se
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kokada.dev
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