diff options
Diffstat (limited to 'src/libexpr/value.hh')
| -rw-r--r-- | src/libexpr/value.hh | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/libexpr/value.hh b/src/libexpr/value.hh index 89c0c36fd..44c8071c2 100644 --- a/src/libexpr/value.hh +++ b/src/libexpr/value.hh @@ -218,8 +218,11 @@ public: /** * Returns the normal type of a Value. This only returns nThunk if * the Value hasn't been forceValue'd + * + * @param invalidIsThunk Instead of aborting an an invalid (probably + * 0, so uninitialized) internal type, return `nThunk`. */ - inline ValueType type() const + inline ValueType type(bool invalidIsThunk = false) const { switch (internalType) { case tInt: return nInt; @@ -234,7 +237,10 @@ public: case tFloat: return nFloat; case tThunk: case tApp: case tBlackhole: return nThunk; } - abort(); + if (invalidIsThunk) + return nThunk; + else + abort(); } /** |