From c5e72cdf74dff23857243dd662c465b810891c21 Mon Sep 17 00:00:00 2001
From: tidwall <joshbaker77@gmail.com>
Date: Mon, 15 Jul 2019 07:54:31 -0700
Subject: [PATCH] Fix panic when key starts at-sign

---
 gjson.go      | 4 +++-
 gjson_test.go | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/gjson.go b/gjson.go
index 7050e31..9fe40b5 100644
--- a/gjson.go
+++ b/gjson.go
@@ -1841,9 +1841,11 @@ func Get(json, path string) Result {
 			if path[0] == '@' {
 				// possible modifier
 				var ok bool
+				var npath string
 				var rjson string
-				path, rjson, ok = execModifier(json, path)
+				npath, rjson, ok = execModifier(json, path)
 				if ok {
+					path = npath
 					if len(path) > 0 && (path[0] == '|' || path[0] == '.') {
 						res := Get(rjson, path[1:])
 						res.Index = 0
diff --git a/gjson_test.go b/gjson_test.go
index 50855e7..65861c6 100644
--- a/gjson_test.go
+++ b/gjson_test.go
@@ -1984,3 +1984,9 @@ func TestParentSubQuery(t *testing.T) {
 	// should return two instances
 	assert(t, res.String() == `["1.2.3","1.2.2"]`)
 }
+
+func TestSingleModifier(t *testing.T) {
+	var data = `{"@key": "value"}`
+	assert(t, Get(data, "@key").String() == "value")
+	assert(t, Get(data, "\\@key").String() == "value")
+}