How Can I Print a Literal Percentage Sign in Go Without Triggering a Go Vet Warning?

How to Bypass Go Vet Warning for % in Println

Go vet, a static code analyzer for Go programs, can generate a warning when encountering a '%' in a Println call, as it interprets it as a possible formatting directive. This can be problematic when you intend to print an actual percentage sign.

To avoid this warning, several alternatives can be employed:

• Add another '%' before the intended one: fmt.Println("%%dude")
• Encode the '%' character using its hexadecimal representation: fmt.Println("%x25dude")
• Use Printf: fmt.Printf("%%%%duden")

• Store the value in a string and print that:

  s := "%%dude"
  fmt.Println(s)

Each of these methods will produce the desired output without triggering the go vet warning. It's important to note that suppressing the warning using custom rules or flags is not recommended, as it could lead to confusion for other developers working with the code.

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