Hmm, but this prints 123:
func main() {
var code int
code, err := myfunc()
if err != nil {
fmt.Printf("Error: %s", err)
return
}
fmt.Printf("code is %d", code)
}
OK, so it must be to do with "if" declaring a new block scope:
*"An identifier declared in a block may be redeclared in an inner block.
While the identifier of the inner declaration is in scope, it denotes the
entity declared by the inner declaration."*
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