package main

import (
    "errors"
    "fmt"
    "reflect"
    "strconv"
    "strings"
    "unicode"
)

var input = `((data "quoted data" 123 4.5)
 (data (!@# (4.5) "(more" "data)")))`

func main() {
    fmt.Println("input:")
    fmt.Println(input)

    s, err := parseSexp(input)
    if err != nil {
        fmt.Println("error:", err)
        return
    }

    fmt.Println("\nparsed:")
    fmt.Println(s)

    fmt.Println("\nrepresentation:")
    s.dump(0)
}