From b10da1fee51cda58a3ef457fa7c3e0c471f55663 Mon Sep 17 00:00:00 2001
From: ningmingxiao <89581092+ningmingxiao@users.noreply.github.com>
Date: Wed, 9 Mar 2022 10:21:27 +0800
Subject: [PATCH] Update args.go

---
 args.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/args.go b/args.go
index 20a022b3..ede4e711 100644
--- a/args.go
+++ b/args.go
@@ -66,6 +66,16 @@ func MinimumNArgs(n int) PositionalArgs {
 	}
 }
 
+// MinimumNArgsCustomError returns an error if there is not at least N args.
+func MinimumNArgsCustomError(n int,custom string) PositionalArgs {
+   return func(cmd *Command, args []string) error {
+      if len(args) < n {
+         return fmt.Errorf("requires at least %d arg(s), only received %d,%s", n, len(args),custom)
+      }
+      return nil
+   }
+}
+
 // MaximumNArgs returns an error if there are more than N args.
 func MaximumNArgs(n int) PositionalArgs {
 	return func(cmd *Command, args []string) error {