fail fast when rolling window size is zero

tools/goctl/api/main.go

@@ -1,21 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/tal-tech/go-zero/core/logx"
-	"github.com/tal-tech/go-zero/tools/goctl/api/parser"
-)
-
-func main() {
-	if len(os.Args) <= 1 {
-		return
-	}
-
-	p, err := parser.NewParser(os.Args[1])
-	logx.Must(err)
-	api, err := p.Parse()
-	logx.Must(err)
-	fmt.Println(api)
-}