From ec1f746a71dfb981f093bf00322db75d559fd6b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Sat, 23 Apr 2022 00:42:10 +0800
Subject: fix optional parameters

---
 meta/template/io.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'meta/template/io.lua')

diff --git a/meta/template/io.lua b/meta/template/io.lua
index b2846878..b1fe5a9e 100644
--- a/meta/template/io.lua
+++ b/meta/template/io.lua
@@ -47,7 +47,7 @@ function io.lines(filename, ...) end
 
 ---#DES 'io.open'
 ---@param filename string
----@param mode     openmode
+---@param mode?    openmode
 ---@return file*?
 ---@return string? errmsg
 ---@nodiscard
@@ -157,7 +157,7 @@ function file:seek(whence, offset) end
 
 ---#DES 'file:setvbuf'
 ---@param mode vbuf
----@param size integer
+---@param size? integer
 function file:setvbuf(mode, size) end
 
 ---#DES 'file:write'
-- 
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