From a265027b090933f341e5b57875b7c91978a94f84 Mon Sep 17 00:00:00 2001
From: Hiroyuki Tanaka <h.tanaka.0325@gmail.com>
Date: Fri, 17 Jul 2020 11:58:37 +0900
Subject: [PATCH] Add comments

---
 kadai1/tanaka0325/imgconv/args.go       | 1 +
 kadai1/tanaka0325/imgconv/conv_image.go | 1 +
 kadai1/tanaka0325/imgconv/imgconv.go    | 1 +
 kadai1/tanaka0325/imgconv/options.go    | 1 +
 4 files changed, 4 insertions(+)

diff --git a/kadai1/tanaka0325/imgconv/args.go b/kadai1/tanaka0325/imgconv/args.go
index 5bb286f..c5cd6f6 100644
--- a/kadai1/tanaka0325/imgconv/args.go
+++ b/kadai1/tanaka0325/imgconv/args.go
@@ -1,5 +1,6 @@
 package imgconv
 
+// Args is type for command line arguments.
 type Args []string
 
 func (args Args) uniq() []string {
diff --git a/kadai1/tanaka0325/imgconv/conv_image.go b/kadai1/tanaka0325/imgconv/conv_image.go
index 7a873e5..cb92ef3 100644
--- a/kadai1/tanaka0325/imgconv/conv_image.go
+++ b/kadai1/tanaka0325/imgconv/conv_image.go
@@ -13,6 +13,7 @@ import (
 	"golang.org/x/image/tiff"
 )
 
+// convImage is type included infomation to convert file format.
 type convImage struct {
 	filename string
 	fromExt  string
diff --git a/kadai1/tanaka0325/imgconv/imgconv.go b/kadai1/tanaka0325/imgconv/imgconv.go
index e201b92..29db8da 100644
--- a/kadai1/tanaka0325/imgconv/imgconv.go
+++ b/kadai1/tanaka0325/imgconv/imgconv.go
@@ -1,3 +1,4 @@
+// Imgconv package is to convert images file format.
 package imgconv
 
 import (
diff --git a/kadai1/tanaka0325/imgconv/options.go b/kadai1/tanaka0325/imgconv/options.go
index 99accea..3a31e15 100644
--- a/kadai1/tanaka0325/imgconv/options.go
+++ b/kadai1/tanaka0325/imgconv/options.go
@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Args is type for command line options.
 type Options struct {
 	From   *string
 	To     *string