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[folly.git] / folly / dynamic.cpp

diff --git a/folly/dynamic.cpp b/folly/dynamic.cpp
index abb57adc6cb31cbd59e90d15f2b3edff32d6abe1..840c5f336ab7b180db51a484a738d49e466bc80a 100644 (file)
--- a/folly/dynamic.cpp
+++ b/folly/dynamic.cpp
@@ -52,7 +52,7 @@ TypeError::TypeError(const std::string& expected,
       '\''))
 {}
 
-TypeError::~TypeError() {}
+TypeError::~TypeError() = default;
 
 // This is a higher-order preprocessor macro to aid going from runtime
 // types to the compile time type system.
@@ -185,7 +185,7 @@ dynamic const& dynamic::at(dynamic const& idx) const {
     if (!idx.isInt()) {
       throw TypeError("int64", idx.type());
     }
-    if (idx >= parray->size()) {
+    if (idx < 0 || idx >= parray->size()) {
       throw std::out_of_range("out of range in dynamic array");
     }
     return (*parray)[idx.asInt()];