update pkgimport readme

Author: wzshiming

cmd/pkgimport/README.md

@@ -25,7 +25,6 @@ go generate
 ```
 
 ``` golang
-
 // Code generated by "pkgimport -p mime -i mime -o mime.go"; DO NOT EDIT.
 // Install by "go get -u -v github.com/wzshiming/gotype/cmd/pkgimport";
 //go:generate pkgimport -p mime -i mime -o mime.go
@@ -36,6 +35,21 @@ import (
 	origin "mime"
 )
 
+// Value
+var (
+
+	// QEncoding represents the Q-encoding scheme as defined by RFC 2047.
+	QEncoding = origin.QEncoding
+
+	// ErrInvalidMediaParameter is returned by ParseMediaType if
+	// the media type value was found but there was an error parsing
+	// the optional parameters
+	ErrInvalidMediaParameter = origin.ErrInvalidMediaParameter
+
+	// BEncoding represents Base64 encoding scheme as defined by RFC 2045.
+	BEncoding = origin.BEncoding
+)
+
 // Type
 type (
 
@@ -46,7 +60,7 @@ type (
 	WordDecoder = origin.WordDecoder
 )
 
-// Declaration
+// Function
 var (
 
 	// TypeByExtension returns the MIME type associated with the file extension ext.
@@ -68,9 +82,6 @@ var (
 	// Text types have the charset parameter set to "utf-8" by default.
 	TypeByExtension = origin.TypeByExtension
 
-	// QEncoding represents the Q-encoding scheme as defined by RFC 2047.
-	QEncoding = origin.QEncoding
-
 	// ParseMediaType parses a media type value and any optional
 	// parameters, per RFC 1521.  Media types are the values in
 	// Content-Type and Content-Disposition headers (RFC 2183).
@@ -96,20 +107,11 @@ var (
 	// nil slice.
 	ExtensionsByType = origin.ExtensionsByType
 
-	// ErrInvalidMediaParameter is returned by ParseMediaType if
-	// the media type value was found but there was an error parsing
-	// the optional parameters
-	ErrInvalidMediaParameter = origin.ErrInvalidMediaParameter
-
-	// BEncoding represents Base64 encoding scheme as defined by RFC 2045.
-	BEncoding = origin.BEncoding
-
 	// AddExtensionType sets the MIME type associated with
 	// the extension ext to typ. The extension should begin with
 	// a leading dot, as in ".html".
 	AddExtensionType = origin.AddExtensionType
 )
-
 ```
 
 ## License