allow for empty string in ToGoName

.editorconfig

@@ -0,0 +1,26 @@
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+
+# Set default charset
+[*.{js,py,go,scala,rb,java,html,css,less,sass,md}]
+charset = utf-8
+
+# Tab indentation (no size specified)
+[*.go]
+indent_style = tab
+
+[*.md]
+trim_trailing_whitespace = false
+
+# Matches the exact files either package.json or .travis.yml
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2

util.go

@@ -272,12 +272,14 @@ func ToGoName(name string) string {
 	}
 
 	result := strings.Join(out, "")
-	ud := upper(result[:1])
-	ru := []rune(ud)
-	if unicode.IsUpper(ru[0]) {
-		result = ud + result[1:]
-	} else {
-		result = "X" + ud + result[1:]
+	if len(result) > 0 {
+		ud := upper(result[:1])
+		ru := []rune(ud)
+		if unicode.IsUpper(ru[0]) {
+			result = ud + result[1:]
+		} else {
+			result = "X" + ud + result[1:]
+		}
 	}
 	return result
 }