Clean code

web.go

@@ -33,55 +33,6 @@ gogs web`,
 	Flags:  []cli.Flag{},
 }
 
-func Subtract(left interface{}, right interface{}) interface{} {
-	var rleft, rright int64
-	var fleft, fright float64
-	var isInt bool = true
-	switch left.(type) {
-	case int:
-		rleft = int64(left.(int))
-	case int8:
-		rleft = int64(left.(int8))
-	case int16:
-		rleft = int64(left.(int16))
-	case int32:
-		rleft = int64(left.(int32))
-	case int64:
-		rleft = left.(int64)
-	case float32:
-		fleft = float64(left.(float32))
-		isInt = false
-	case float64:
-		fleft = left.(float64)
-		isInt = false
-	}
-
-	switch right.(type) {
-	case int:
-		rright = int64(right.(int))
-	case int8:
-		rright = int64(right.(int8))
-	case int16:
-		rright = int64(right.(int16))
-	case int32:
-		rright = int64(right.(int32))
-	case int64:
-		rright = right.(int64)
-	case float32:
-		fright = float64(left.(float32))
-		isInt = false
-	case float64:
-		fleft = left.(float64)
-		isInt = false
-	}
-
-	if isInt {
-		return rleft - rright
-	} else {
-		return fleft + float64(rleft) - (fright + float64(rright))
-	}
-}
-
 var AppHelpers template.FuncMap = map[string]interface{}{
 	"AppName": func() string {
 		return base.Cfg.MustValue("", "APP_NAME")
@@ -90,7 +41,7 @@ var AppHelpers template.FuncMap = map[string]interface{}{
 		return APP_VER
 	},
 	"TimeSince": base.TimeSince,
-	"Subtract":  Subtract,
+	"Subtract":  base.Subtract,
 }
 
 func runWeb(*cli.Context) {