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-rw-r--r--src/libexpr/json-to-value.cc8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libexpr/json-to-value.cc b/src/libexpr/json-to-value.cc
index 76e1a26bf..9ca5ac86d 100644
--- a/src/libexpr/json-to-value.cc
+++ b/src/libexpr/json-to-value.cc
@@ -115,6 +115,14 @@ public:
{
return handle_value<void(Value&, const char*)>(mkString, val.c_str());
}
+#if NLOHMANN_JSON_VERSION_MAJOR >= 3 && NLOHMANN_JSON_VERSION_MINOR >= 8
+ bool binary(binary_t&)
+ {
+ // This function ought to be unreachable
+ assert(false);
+ return true;
+ }
+#endif
bool start_object(std::size_t len)
{