func IsGray(ctx erpc.CallCtx, args *types.IsGrayArgs) (*types.IsGrayResult, *erpc.Status) {
	return logic.IsGray(args)
}
IsGray check whether the service should use grayscale based on the uid.
package api
import (
	"github.com/henrylee2cn/erpc/v6"
	"github.com/xiaoenai/tp-micro/v6/gateway/helper/gray/logic"
	"github.com/xiaoenai/tp-micro/v6/gateway/helper/gray/types"
)