Be explicit wether size is give or not

4 files changed, 15 insertions, 3 deletions

diff --git a/vespalib/src/vespa/vespalib/stllike/hash_map.h b/vespalib/src/vespa/vespalib/stllike/hash_map.h
index 29a5ef01a9f..6a8fcf29d42 100644
--- a/vespalib/src/vespa/vespalib/stllike/hash_map.h
+++ b/vespalib/src/vespa/vespalib/stllike/hash_map.h
@@ -26,7 +26,8 @@ public:
     hash_map & operator = (hash_map &&) noexcept = default;
     hash_map(const hash_map &) = default;
     hash_map & operator = (const hash_map &) = default;
-    hash_map(size_t reserveSize=0);
+    hash_map();
+    explicit hash_map(size_t reserveSize);
     hash_map(size_t reserveSize, H hasher, EQ equality);
     hash_map(std::initializer_list<value_type> input);
     ~hash_map() noexcept;
diff --git a/vespalib/src/vespa/vespalib/stllike/hash_map.hpp b/vespalib/src/vespa/vespalib/stllike/hash_map.hpp
index 61789f6e2be..900d6ff238d 100644
--- a/vespalib/src/vespa/vespalib/stllike/hash_map.hpp
+++ b/vespalib/src/vespa/vespalib/stllike/hash_map.hpp
@@ -8,8 +8,13 @@
 namespace vespalib {
 
 template <typename K, typename V, typename H, typename EQ, typename M>
+hash_map<K, V, H, EQ, M>::hash_map() :
+    _ht(0)
+{ }
+
+template <typename K, typename V, typename H, typename EQ, typename M>
 hash_map<K, V, H, EQ, M>::hash_map(size_t reserveSize) :
-    _ht(reserveSize)
+        _ht(reserveSize)
 { }
 
 template <typename K, typename V, typename H, typename EQ, typename M>
diff --git a/vespalib/src/vespa/vespalib/stllike/hash_set.h b/vespalib/src/vespa/vespalib/stllike/hash_set.h
index 0c3f2dcb220..e671a2d8b9c 100644
--- a/vespalib/src/vespa/vespalib/stllike/hash_set.h
+++ b/vespalib/src/vespa/vespalib/stllike/hash_set.h
@@ -23,7 +23,8 @@ public:
     hash_set & operator = (hash_set &&) noexcept = default;
     hash_set(const hash_set &) = default;
     hash_set & operator = (const hash_set &) = default;
-    hash_set(size_t reserveSize=0);
+    hash_set();
+    explicit hash_set(size_t reserveSize);
     hash_set(size_t reserveSize, const H & hasher, const EQ & equal);
     template <typename InputIterator>
     hash_set(InputIterator first, InputIterator last);
diff --git a/vespalib/src/vespa/vespalib/stllike/hash_set.hpp b/vespalib/src/vespa/vespalib/stllike/hash_set.hpp
index 3e48e62f2c7..892d0d28fb6 100644
--- a/vespalib/src/vespa/vespalib/stllike/hash_set.hpp
+++ b/vespalib/src/vespa/vespalib/stllike/hash_set.hpp
@@ -8,6 +8,11 @@
 namespace vespalib {
 
 template<typename K, typename H, typename EQ, typename M>
+hash_set<K, H, EQ, M>::hash_set()
+    : _ht(0)
+{ }
+
+template<typename K, typename H, typename EQ, typename M>
 hash_set<K, H, EQ, M>::hash_set(size_t reserveSize)
     : _ht(reserveSize)
 { }