You can only declare constants at the toplevel scope
Constant Declaration Syntax
[export] const <CONST_NAME_HERE> = <expr>
Working Example
package main
import "fmt" as fmt
const PI = 3.14
const MY_NAME = "Bob"
fun Unit main() {
fmt.println("My name is " + MY_NAME + ". And pi is approximately:")
fmt.println(PI)
}
package main
import fmt "fmt"
const pI = 3.14
const mY_NAME = "Bob"
func main() {
fmt.Println("My name is " + mY_NAME + ". And pi is approximately:")
fmt.Println(pI)
}