expand slice on passing

settings.go

@@ -139,7 +139,7 @@ func (s *Settings) Get(name string, def ...interface{}) interface{} {
 }
 
 func (s *Settings) Int(name string, def ...interface{}) int {
-	value := s.Get(name, def)
+	value := s.Get(name, def...)
 	switch val := value.(type) {
 	case int64:
 		return int(val)
@@ -156,34 +156,21 @@ func (s *Settings) Int(name string, def ...interface{}) int {
 	case float64:
 		return int(val)
 	}
-	if len(def) > 0 {
-		if v, k := def[0].(int); k {
-			return v
-		}
-	}
 	panic(fmt.Sprintf("value of %s cannot be represented as an int: %#v", name, value))
 }
 
 func (s *Settings) String(name string, def ...interface{}) string {
-	value, ok := s.Get(name, def).(string)
+	value, ok := s.Get(name, def...).(string)
 	if ok {
 		return value
-	} else if len(def) > 0 {
-		if v, k := def[0].(string); k {
-			return v
-		}
 	}
 	panic(fmt.Sprintf("value of %s cannot be represented as an string: %#v", name, value))
 }
 
 func (s *Settings) Bool(name string, def ...interface{}) bool {
-	value, ok := s.Get(name, def).(bool)
+	value, ok := s.Get(name, def...).(bool)
 	if ok {
 		return value
-	} else if len(def) > 0 {
-		if v, k := def[0].(bool); k {
-			return v
-		}
 	}
 	panic(fmt.Sprintf("value of %s cannot be represented as an bool: %#v", name, value))
 }