func ExampleNode_Unmarshal() {
const example_sexp = `
(position 5 10 4.7)
(target 10 -2.4 30.3)
`
var example struct {
Pos [3]float32 `sexp:"position,siblings"`
Tgt [3]float32 `sexp:"target,siblings"`
}
ast, err := sexp.Parse(strings.NewReader(example_sexp), nil)
if err != nil {
fmt.Println(err)
return
}
err = ast.Unmarshal(&example)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(example.Pos)
fmt.Println(example.Tgt)
// Output:
// [5 10 4.7]
// [10 -2.4 30.3]
}
func ExampleBeautify() {
const example_sexp = `
(correct syntax)
( ; oops, no enclosing ')' here
`
var ctx sexp.SourceContext
f := ctx.AddFile("example.sexp", -1)
_, err := sexp.Parse(strings.NewReader(example_sexp), f)
if err != nil {
// we know the contents of the only source file used, let's
// just return it:
getcont := func(string) []byte {
return []byte(example_sexp)
}
fmt.Println(sexp.Beautify(err, getcont, &ctx, false))
}
// Output:
// example.sexp:3:3: error: missing matching sequence delimiter ')'
// ( ; oops, no enclosing ')' here
// ↑
}