Mastering Go - Second Edition

There is only one way to format curly braces

Look at the following Go program named curly.go:

package main 
 
import ( 
    "fmt" 
) 
 
func main() 
{ 
    fmt.Println("Go has strict rules for curly braces!") 
} 

Although it looks just fine, if you try to execute it, you will be fairly disappointed, because you will get the following syntax error message and the code will not compile and therefore run:

$ go run curly.go
# command-line-arguments
./curly.go:7:6: missing function body for "main"
./curly.go:8:1: syntax error: unexpected semicolon or newline before {
  

The official explanation for this error message is that Go requires the use of semicolons as statement terminators in many contexts, and the compiler automatically inserts the required semicolons when ...