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-rw-r--r--apt-pkg/contrib/hashes.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index 0e6ff9ef1..74024befd 100644
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -68,6 +68,7 @@ class HashString
// helper
std::string toStr() const; // convert to str as "type:hash"
bool empty() const;
+ bool usable() const;
bool operator==(HashString const &other) const;
bool operator!=(HashString const &other) const;