Squashed 'src/nudb/' content from commit 00adc6a

git-subtree-dir: src/nudb
git-subtree-split: 00adc6a4f16679a376f40c967f77dfa544c179c1

examples/CMakeLists.txt

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+# Part of nudb
+
+GroupSources (include/nudb nudb)
+GroupSources (extras/nudb extras)
+GroupSources (examples/ "/")
+
+add_executable (example
+    ${NUDB_INCLUDES}
+    ${EXTRAS_INCLUDES}
+    example.cpp
+)
+
+if (WIN32)
+    target_link_libraries (example ${Boost_LIBRARIES})
+else ()
+    target_link_libraries (example ${Boost_LIBRARIES} rt Threads::Threads)
+endif ()

examples/Jamfile

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+#
+# Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
+#
+# Distributed under the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#
+
+import os ;
+
+exe example :
+    example.cpp
+    ;

examples/example.cpp

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+//
+// Copyright (c) 2015-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <nudb/nudb.hpp>
+#include <cstddef>
+#include <cstdint>
+
+int main()
+{
+    using namespace nudb;
+    std::size_t constexpr N = 1000;
+    using key_type = std::uint32_t;
+    error_code ec;
+    auto const dat_path = "db.dat";
+    auto const key_path = "db.key";
+    auto const log_path = "db.log";
+    create<xxhasher>(
+        dat_path, key_path, log_path,
+        1,
+        make_salt(),
+        sizeof(key_type),
+        block_size("."),
+        0.5f,
+        ec);
+    store db;
+    db.open(dat_path, key_path, log_path, ec);
+    char data = 0;
+    // Insert
+    for(key_type i = 0; i < N; ++i)
+        db.insert(&i, &data, sizeof(data), ec);
+    // Fetch
+    for(key_type i = 0; i < N; ++i)
+        db.fetch(&i,
+            [&](void const* buffer, std::size_t size)
+        {
+            // do something with buffer, size
+        }, ec);
+    db.close(ec);
+    erase_file(dat_path);
+    erase_file(key_path);
+    erase_file(log_path);
+}