several lints fixed that were detected by facebook's flint

DataStructures/BinaryHeap.h

@@ -43,7 +43,7 @@ template< typename NodeID, typename Key >
 class ArrayStorage {
 public:
 
-    ArrayStorage( size_t size ) : positions( new Key[size] ) {
+    explicit ArrayStorage( size_t size ) : positions( new Key[size] ) {
         memset(positions, 0, size*sizeof(Key));
     }
 
@@ -65,7 +65,7 @@ template< typename NodeID, typename Key >
 class MapStorage {
 public:
 
-    MapStorage( size_t ) {}
+    explicit MapStorage( size_t ) {}
 
     Key &operator[]( NodeID node ) {
         return nodes[node];
@@ -87,7 +87,7 @@ class UnorderedMapStorage {
     typedef typename UnorderedMapType::const_iterator UnorderedMapConstIterator;
 public:
 
-	UnorderedMapStorage( size_t ) {
+	explicit UnorderedMapStorage( size_t ) {
 		//hash table gets 1000 Buckets
 		nodes.rehash(1000);
 	}
@@ -119,7 +119,7 @@ public:
     typedef Weight WeightType;
     typedef Data DataType;
 
-    BinaryHeap( size_t maxID )
+    explicit BinaryHeap( size_t maxID )
      :
         nodeIndex( maxID )
     {

DataStructures/ConcurrentQueue.h

@@ -40,7 +40,7 @@ template<typename Data>
 class ConcurrentQueue {
 
 public:
-    ConcurrentQueue(const size_t max_size) : m_internal_queue(max_size) { }
+    explicit ConcurrentQueue(const size_t max_size) : m_internal_queue(max_size) { }
 
     inline void push(const Data & data) {
         boost::mutex::scoped_lock lock(m_mutex);

DataStructures/DeallocatingVector.h

@@ -96,10 +96,10 @@ public:
     DeallocatingVectorIterator() {}
 
     template<typename T2>
-    DeallocatingVectorIterator(const DeallocatingVectorIterator<T2> & r) : mState(r.mState) {}
+    explicit DeallocatingVectorIterator(const DeallocatingVectorIterator<T2> & r) : mState(r.mState) {}
 
     DeallocatingVectorIterator(std::size_t idx, std::vector<ElementT *> & input_list) : mState(idx, input_list) {}
-    DeallocatingVectorIterator(const DeallocatingVectorIteratorState & r) : mState(r) {}
+    explicit DeallocatingVectorIterator(const DeallocatingVectorIteratorState & r) : mState(r) {}
 
     template<typename T2>
     DeallocatingVectorIterator& operator=(const DeallocatingVectorIterator<T2> &r) {

DataStructures/DynamicGraph.h

@@ -57,7 +57,7 @@ class DynamicGraph {
         };
 
         //Constructs an empty graph with a given number of nodes.
-        DynamicGraph( int32_t nodes ) : m_numNodes(nodes), m_numEdges(0) {
+        explicit DynamicGraph( int32_t nodes ) : m_numNodes(nodes), m_numEdges(0) {
             m_nodes.reserve( m_numNodes );
             m_nodes.resize( m_numNodes );
 

DataStructures/HashTable.h

@@ -40,7 +40,7 @@ public:
 
     HashTable() : super() { }
 
-    HashTable(const unsigned size) : super(size) { }
+    explicit HashTable(const unsigned size) : super(size) { }
 
     inline void Add( KeyT const & key, ValueT const & value) {
         super::emplace(std::make_pair(key, value));

DataStructures/ImportEdge.h

@@ -129,7 +129,7 @@ public:
     }
 
     template<class EdgeT>
-    EdgeBasedEdge(const EdgeT & myEdge ) :
+    explicit EdgeBasedEdge(const EdgeT & myEdge ) :
         m_source(myEdge.source),
         m_target(myEdge.target),
         m_edgeID(myEdge.data.via),

DataStructures/LRUCache.h

@@ -43,7 +43,7 @@ private:
     std::list<CacheEntry> itemsInCache;
     boost::unordered_map<KeyT, typename std::list<CacheEntry>::iterator > positionMap;
 public:
-    LRUCache(unsigned c) : capacity(c) {}
+    explicit LRUCache(unsigned c) : capacity(c) {}
 
     bool Holds(KeyT key) {
         if(positionMap.find(key) != positionMap.end()) {

DataStructures/Percent.h

@@ -38,7 +38,7 @@ public:
      * @param maxValue the value that corresponds to 100%
      * @param step the progress is shown in steps of 'step' percent
      */
-    Percent(unsigned maxValue, unsigned step = 5) {
+    explicit Percent(unsigned maxValue, unsigned step = 5) {
         reinit(maxValue, step);
     }
 

DataStructures/QueryNode.h

@@ -25,8 +25,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 */
 
-#ifndef _NODE_COORDS_H
-#define _NODE_COORDS_H
+#ifndef QUERY_NODE_H
+#define QUERY_NODE_H
 
 #include "../typedefs.h"
 
@@ -83,4 +83,4 @@ struct NodeInfo {
 	}
 };
 
-#endif //_NODE_COORDS_H
+#endif //QUERY_NODE_H

DataStructures/Restriction.h

@@ -58,14 +58,13 @@ struct TurnRestriction {
         bool unused7:1;
     } flags;
 
-    TurnRestriction(NodeID viaNode) :
+    explicit TurnRestriction(NodeID viaNode) :
         viaNode(viaNode),
         fromNode(UINT_MAX),
         toNode(UINT_MAX) {
-
     }
 
-    TurnRestriction(const bool isOnly = false) :
+    explicit TurnRestriction(const bool isOnly = false) :
         viaNode(UINT_MAX),
         fromNode(UINT_MAX),
         toNode(UINT_MAX) {
@@ -91,7 +90,7 @@ struct InputRestrictionContainer {
     {
         restriction.viaNode = vn;
     }
-    InputRestrictionContainer(
+    explicit InputRestrictionContainer(
         bool isOnly = false
     ) :
         fromWay(UINT_MAX),

DataStructures/SearchEngine.h

@@ -54,7 +54,7 @@ public:
     ShortestPathRouting<DataFacadeT> shortest_path;
     AlternativeRouting <DataFacadeT> alternative_path;
 
-    SearchEngine( DataFacadeT * facade )
+    explicit SearchEngine( DataFacadeT * facade )
      :
         facade             (facade),
         shortest_path      (facade, engine_working_data),

DataStructures/SearchEngineData.h

@@ -41,7 +41,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 struct _HeapData {
     NodeID parent;
-    _HeapData( NodeID p ) : parent(p) { }
+    /* explicit */ _HeapData( NodeID p ) : parent(p) { }
 };
 
 // typedef StaticGraph<QueryEdge::EdgeData> QueryGraph;

DataStructures/SharedMemoryVectorWrapper.h

@@ -41,7 +41,7 @@ template<typename DataT>
 class ShMemIterator : public std::iterator<std::input_iterator_tag, DataT> {
     DataT * p;
 public:
-    ShMemIterator(DataT * x) : p(x) {}
+    explicit ShMemIterator(DataT * x) : p(x) {}
     ShMemIterator(const ShMemIterator & mit) : p(mit.p) {}
     ShMemIterator& operator++() {
         ++p;

DataStructures/StaticKDTree.h

@@ -99,7 +99,7 @@ public:
 		                }
     };
 
-    StaticKDTree( std::vector< InputPoint > * points ){
+    explicit StaticKDTree( std::vector< InputPoint > * points ){
         BOOST_ASSERT( k > 0 );
         BOOST_ASSERT ( points->size() > 0 );
         size = points->size();
@@ -207,7 +207,7 @@ private:
     };
     class Less {
     public:
-        Less( unsigned d ) {
+        explicit Less( unsigned d ) {
             dimension = d;
             BOOST_ASSERT( dimension < k );
         }

DataStructures/XORFastHashStorage.h

@@ -54,7 +54,7 @@ public:
         }
     };
 
-    XORFastHashStorage( size_t ) : positions(2<<16), currentTimestamp(0) { }
+    explicit XORFastHashStorage( size_t ) : positions(2<<16), currentTimestamp(0) { }
 
     inline HashCell& operator[]( const NodeID node ) {
         unsigned short position = fastHash(node);