Improve C++ header includes to improve build time

Recent changes ended up including all the Broker headers more places
than necessary, causing compile time to increase 2x.

src/probabilistic/BitVector.h

@@ -6,7 +6,8 @@
 #include <iterator>
 #include <vector>
 
-#include <broker/Data.h>
+#include <broker/data.hh>
+#include <broker/expected.hh>
 
 namespace probabilistic {
 

src/probabilistic/BloomFilter.cc

@@ -4,6 +4,8 @@
 #include <cmath>
 #include <limits>
 
+#include <broker/error.hh>
+
 #include "BloomFilter.h"
 
 #include "CounterVector.h"

src/probabilistic/BloomFilter.h

@@ -5,7 +5,8 @@
 
 #include <vector>
 
-#include <broker/Data.h>
+#include <broker/data.hh>
+#include <broker/expected.hh>
 
 #include "BitVector.h"
 #include "Hasher.h"

src/probabilistic/CardinalityCounter.h

@@ -4,7 +4,11 @@
 #define PROBABILISTIC_CARDINALITYCOUNTER_H
 
 #include <stdint.h>
-#include <OpaqueVal.h>
+#include <memory>
+#include <vector>
+
+#include <broker/data.hh>
+#include <broker/expected.hh>
 
 namespace probabilistic {
 

src/probabilistic/CounterVector.cc

@@ -5,6 +5,9 @@
 #include <cassert>
 #include <limits>
 #include "BitVector.h"
+#include "util.h"
+
+#include <broker/error.hh>
 
 using namespace probabilistic;
 

src/probabilistic/CounterVector.h

@@ -6,7 +6,8 @@
 #include <cstddef>
 #include <cstdint>
 
-#include <broker/Data.h>
+#include <broker/data.hh>
+#include <broker/expected.hh>
 
 namespace probabilistic {
 

src/probabilistic/Hasher.h

@@ -3,7 +3,10 @@
 #ifndef PROBABILISTIC_HASHER_H
 #define PROBABILISTIC_HASHER_H
 
-#include <broker/Data.h>
+#include <broker/data.hh>
+#include <broker/expected.hh>
+
+#include <memory>
 
 #include "Hash.h"
 

src/probabilistic/Topk.cc

@@ -1,5 +1,7 @@
 // See the file "COPYING" in the main distribution directory for copyright.
 
+#include <broker/error.hh>
+
 #include "broker/Data.h"
 #include "probabilistic/Topk.h"
 #include "CompHash.h"