MakeMenuRender has meaningful variable names.

door/menu.go

@@ -19,7 +19,7 @@ type Menu struct {
 	Panel
 }
 
-func MakeMenuRender(c1, c2, c3, c4 string) func(string) string {
+func MakeMenuRender(bracketColor, optionColor, upperColor, lowerColor string) func(string) string {
 	f := func(text string) string {
 		var output string
 		var lastColor string
@@ -27,30 +27,30 @@ func MakeMenuRender(c1, c2, c3, c4 string) func(string) string {
 		for _, c := range text {
 			if option {
 				if c == '[' || c == ']' {
-					if lastColor != c1 {
-						output += c1
-						lastColor = c1
+					if lastColor != bracketColor {
+						output += bracketColor
+						lastColor = bracketColor
 					}
 					output += string(c)
 					option = (c == '[')
 				} else {
-					if lastColor != c2 {
-						output += c2
-						lastColor = c2
+					if lastColor != optionColor {
+						output += optionColor
+						lastColor = optionColor
 					}
 					output += string(c)
 				}
 			} else {
 				if unicode.IsUpper(c) {
-					if lastColor != c3 {
-						output += c3
-						lastColor = c3
+					if lastColor != upperColor {
+						output += upperColor
+						lastColor = upperColor
 					}
 					output += string(c)
 				} else {
-					if lastColor != c4 {
-						output += c4
-						lastColor = c4
+					if lastColor != lowerColor {
+						output += lowerColor
+						lastColor = lowerColor
 					}
 					output += string(c)
 				}