Add default constuctor for document::Bucket since vespalib::hash_map

requires that a default constructor exists for the key data type.

2 files changed, 7 insertions, 0 deletions

diff --git a/document/src/vespa/document/bucket/bucket.cpp b/document/src/vespa/document/bucket/bucket.cpp
index 841d0841381..d2855c0b3a1 100644
--- a/document/src/vespa/document/bucket/bucket.cpp
+++ b/document/src/vespa/document/bucket/bucket.cpp
@@ -5,6 +5,12 @@
 
 namespace document {
 
+Bucket::Bucket() noexcept
+    : _bucketSpace(BucketSpace::placeHolder()),
+      _bucketId()
+{
+}
+
 vespalib::string Bucket::toString() const
 {
     vespalib::asciistream os;
diff --git a/document/src/vespa/document/bucket/bucket.h b/document/src/vespa/document/bucket/bucket.h
index f6e44354834..5aa9b360c42 100644
--- a/document/src/vespa/document/bucket/bucket.h
+++ b/document/src/vespa/document/bucket/bucket.h
@@ -11,6 +11,7 @@ namespace document {
 
 class Bucket {
 public:
+    Bucket() noexcept;
     Bucket(const Bucket&) noexcept = default;
     Bucket& operator=(const Bucket&) noexcept = default;
     Bucket(BucketSpace bucketSpace, BucketId bucketId) noexcept : _bucketSpace(bucketSpace), _bucketId(bucketId) {}