1 files changed, 3 insertions, 4 deletions
diff --git a/src/libutil/hash.hh b/src/libutil/hash.hh
index 00ce7bb6f..1b626dd85 100644
--- a/src/libutil/hash.hh
+++ b/src/libutil/hash.hh
@@ -59,9 +59,6 @@ private:
     Hash(std::string_view s, HashType type, bool isSRI);
 
 public:
-    /* Check whether a hash is set. */
-    operator bool () const { return (bool) type; }
-
     /* Check whether two hash are equal. */
     bool operator == (const Hash & h2) const;
 
@@ -105,6 +102,8 @@ public:
         assert(type == htSHA1);
         return std::string(to_string(Base16, false), 0, 7);
     }
+
+    static Hash dummy;
 };
 
 /* Helper that defaults empty hashes to the 0 hash. */
@@ -157,7 +156,7 @@ public:
     HashSink(HashType ht);
     HashSink(const HashSink & h);
     ~HashSink();
-    void write(const unsigned char * data, size_t len) override;
+    void write(std::string_view data) override;
     HashResult finish() override;
     HashResult currentHash();
 };