RWLContainer : Reader-writer protected container

Objective

• Avoid re-implementing the rw-lock; standard C++ (since C++14) has a good reader-writer lock implementation.
• Provide a simple, convenience layer for dictionary containers.
• The storage type is a std::shared_ptr<>

Requirements

• You must be able to use <shared_mutex> and <mutex>.
• Minimal target is C++17.
• The build and tests are for Visual Studio 2019 under x64.
• We use nlohmann::json only in our tests and the library is aware to provide a conversion operator if library is detected.

Usage

• Use the nuget SiddiqSoft.RWLContainer
• Copy paste..whatever works.

#include "gtest/gtest.h"
#include "nlohmann/json.hpp"
#include "siddiqsoft/RWLContainer.hpp"


TEST(examples, Example1)
{
    try
    {
        siddiqsoft::RWLContainer<std::string, std::string> myContainer;

        auto item = myContainer.add("foo", "bar");
        ASSERT_TRUE(item);
        EXPECT_EQ("bar", *item);
    }
    catch (...)
    {
        EXPECT_TRUE(false); // if we throw then the test fails.
    }
}

Additional examples.

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