func (it ItemYaGo) GetType() string {
	return string(it.Typ)
}
GetType returns the item type
package lexic
import (
	"fmt"
	"os"
)
type Item interface {
	String()
	GetValue() string
	GetType() string
	GetLine() int
	GetPos() int
}
type pos int
type ItemYaGo struct {
	Value string
	Typ   string
	Pos   pos
	Line  int
}
func (it ItemYaGo) String() {
	os.Stdout.WriteString(fmt.Sprintf("%s", it.Value))
}
func (it ItemYaGo) GetValue() string {
	return string(it.Value)
}