1 files changed, 43 insertions, 0 deletions
diff --git a/model/value.go b/model/value.go
index 4ec7344..9fa8e9b 100644
--- a/model/value.go
+++ b/model/value.go
@@ -1,6 +1,7 @@
 package model
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 )
@@ -39,4 +40,46 @@ func (v Values) BuildString(lookups ...WordLookup) string {
 	return sw.String()
 }
 
+func (v Values) String() string {
+	result := make([]string, 0, len(v))
+
+	for _, v := range v {
+		switch v := v.(type) {
+		case string:
+			result = append(result, v)
+		case float64:
+			result = append(result, strconv.FormatFloat(v, 'f', 5, 64))
+		case int:
+			result = append(result, strconv.Itoa(v))
+		case bool:
+			if v {
+				result = append(result, "true")
+				continue
+			}
+			result = append(result, "false")
+		case Word:
+			result = append(result, string(v))
+		}
+	}
+
+	return strings.Join(result, " ")
+}
+
+func (v Values) Int() (int, error) {
+	if len(v) != 1 {
+		return 0, fmt.Errorf("AsInt can return only single value (there is %d values)", len(v))
+	}
+	val := v[0]
+	switch val := val.(type) {
+	case int:
+		return val, nil
+	case string:
+		return strconv.Atoi(val)
+	case float64:
+		return int(val), nil
+	default:
+		return 0, fmt.Errorf("invalid type for convert to int: %t", val)
+	}
+}
+
 type Word string