From ea3d820df9aafc30096b32f8eb70878c626022a4 Mon Sep 17 00:00:00 2001
From: Nicola Murino <nicola.murino@gmail.com>
Date: Sat, 30 Jul 2022 01:31:36 +0200
Subject: [PATCH] micro-optimization: use int8 for enums (#338)

---
 asciiconverter.go | 2 +-
 client_handler.go | 6 +++---
 driver.go         | 4 ++--
 driver_test.go    | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/asciiconverter.go b/asciiconverter.go
index 4be732a7..ec5d0cb7 100644
--- a/asciiconverter.go
+++ b/asciiconverter.go
@@ -5,7 +5,7 @@ import (
 	"io"
 )
 
-type convertMode int
+type convertMode int8
 
 const (
 	convertModeToCRLF convertMode = iota
diff --git a/client_handler.go b/client_handler.go
index 780163cc..a7dcfeed 100644
--- a/client_handler.go
+++ b/client_handler.go
@@ -14,7 +14,7 @@ import (
 )
 
 // HASHAlgo is the enumerable that represents the supported HASH algorithms
-type HASHAlgo int
+type HASHAlgo int8
 
 // Supported hash algorithms
 const (
@@ -26,7 +26,7 @@ const (
 )
 
 // TransferType is the enumerable that represents the supported transfer types
-type TransferType int
+type TransferType int8
 
 // Supported transfer type
 const (
@@ -35,7 +35,7 @@ const (
 )
 
 // DataChannel is the enumerable that represents the data channel (active or passive)
-type DataChannel int
+type DataChannel int8
 
 // Supported data channel types
 const (
diff --git a/driver.go b/driver.go
index 88d242be..e9696867 100644
--- a/driver.go
+++ b/driver.go
@@ -208,7 +208,7 @@ type PortRange struct {
 type PublicIPResolver func(ClientContext) (string, error)
 
 // TLSRequirement is the enumerable that represents the supported TLS mode
-type TLSRequirement int
+type TLSRequirement int8
 
 // TLS modes
 const (
@@ -219,7 +219,7 @@ const (
 
 // DataConnectionRequirement is the enumerable that represents the supported
 // protection mode for data channels
-type DataConnectionRequirement int
+type DataConnectionRequirement int8
 
 // Supported data connection requirements
 const (
diff --git a/driver_test.go b/driver_test.go
index 4592571b..75935bab 100644
--- a/driver_test.go
+++ b/driver_test.go
@@ -17,7 +17,7 @@ import (
 	"github.com/spf13/afero"
 )
 
-type tlsVerificationReply int
+type tlsVerificationReply int8
 
 const (
 	// tls certificate is ok but a password is required too