package main import ( "encoding/binary" "fmt" "unicode/utf8" ) // stringify ensures that we can print only valid characters. // It's wrong to assume that everything is a string, since BoltDB is typeless. func stringify(v []byte) string { if utf8.Valid(v) { ok := true for _, r := range string(v) { if r < 0x20 { ok = false break } else if r >= 0x7f && r <= 0x9f { ok = false break } } if ok { return string(v) } } if len(v) == 8 { return fmt.Sprintf("%v", binary.BigEndian.Uint64(v)) } return fmt.Sprintf("%x", v) }