diff options
| -rw-r--r-- | src/libexpr/nixexpr.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/libexpr/nixexpr.cc b/src/libexpr/nixexpr.cc index 35db52a13acc..5bc8e4202a49 100644 --- a/src/libexpr/nixexpr.cc +++ b/src/libexpr/nixexpr.cc @@ -30,8 +30,9 @@ static void showString(std::ostream & str, const string & s) static void showId(std::ostream & str, const string & s) { - assert(!s.empty()); - if (s == "if") + if (s.empty()) + str << "\"\""; + else if (s == "if") // FIXME: handle other keywords str << '"' << s << '"'; else { char c = s[0]; |