From 62597fe929c72e20c3661d06b206a007526effb0 Mon Sep 17 00:00:00 2001
From: Dmitry Kutakov <vkd.castle@gmail.com>
Date: Thu, 26 Dec 2019 14:05:50 +0100
Subject: [PATCH] simplify code - eliminate type assertions

"gosimple" linter says:
S1034: assigning the result of this type assertion to a variable (switch f := f.(type)) could eliminate the following type assertions:
	flag.go:267:26
	flag.go:270:28
	flag.go:273:30
	flag.go:276:29
---
 flag.go | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/flag.go b/flag.go
index ec128fd..077a6dd 100644
--- a/flag.go
+++ b/flag.go
@@ -261,19 +261,19 @@ func flagValue(f Flag) reflect.Value {
 func stringifyFlag(f Flag) string {
 	fv := flagValue(f)
 
-	switch f.(type) {
+	switch f := f.(type) {
 	case *IntSliceFlag:
 		return withEnvHint(flagStringSliceField(f, "EnvVars"),
-			stringifyIntSliceFlag(f.(*IntSliceFlag)))
+			stringifyIntSliceFlag(f))
 	case *Int64SliceFlag:
 		return withEnvHint(flagStringSliceField(f, "EnvVars"),
-			stringifyInt64SliceFlag(f.(*Int64SliceFlag)))
+			stringifyInt64SliceFlag(f))
 	case *Float64SliceFlag:
 		return withEnvHint(flagStringSliceField(f, "EnvVars"),
-			stringifyFloat64SliceFlag(f.(*Float64SliceFlag)))
+			stringifyFloat64SliceFlag(f))
 	case *StringSliceFlag:
 		return withEnvHint(flagStringSliceField(f, "EnvVars"),
-			stringifyStringSliceFlag(f.(*StringSliceFlag)))
+			stringifyStringSliceFlag(f))
 	}
 
 	placeholder, usage := unquoteUsage(fv.FieldByName("Usage").String())