38 lines
553 B
Go
38 lines
553 B
Go
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package defers
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import (
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"fmt"
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"os"
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)
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func Defers() {
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f := createFile("/tmp/defers.go.txt")
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defer closeFile(f)
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writeFile(f)
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}
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func createFile(path string) *os.File {
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f, err := os.Create(path)
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if err != nil {
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panic(err)
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}
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return f
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}
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func closeFile(f *os.File) {
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fmt.Println("Closing file")
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err := f.Close()
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if err != nil {
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fmt.Fprintf(os.Stderr, "something went wrong closing file: %v\n", err)
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os.Exit(1)
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}
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}
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func writeFile(f *os.File) {
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fmt.Println("Writing something to the file")
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fmt.Fprintln(f, "Hello from defers.go!")
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}
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