add sample

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sample-golang / 01_hello

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1 parent fe6c716 commit 0dd4767ab59408dc76da69b9fdf62768f675b7c6 yhornisse authored on 27 Sep 2021

Patch

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Show notes View defer.go 100755 → 0
package main import "fmt" func hoge() { defer fmt.Println("3") // 4th defer fmt.Println("4") // 3rd fmt.Println("5") // 2nd } func fuga() { defer fmt.Println("1") // 5th fmt.Println("2") // 1st hoge() } func main() { fuga() }

Ignore Space Show notes View func/defer.go 0 → 100755
package main import "fmt" func hoge() { defer fmt.Println("3") // 4th defer fmt.Println("4") // 3rd fmt.Println("5") // 2nd } func fuga() { defer fmt.Println("1") // 5th fmt.Println("2") // 1st hoge() } func main() { fuga() }

Ignore Space Show notes View func/loop.go 0 → 100644
package main import "fmt" // NG Sample func hoge() { for i := 0; i < 5; i++ { f := func() { fmt.Println(i) } defer f() } } // OK Sample func fuga() { for i := 0; i < 5; i++ { i := i // important f := func() { fmt.Println(i) } defer f() } } func main() { hoge() /* 5 5 5 5 5 / fmt.Println() fuga() / 4 3 2 1 0 */ }

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