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Dynamic Language Runtime
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<p>The Dynamic Language Runtime (DLR) from <a href="/facts/Microsoft/nGIDDXdx">Microsoft</a> runs on top of the <a href="/facts/Common_Language_Runtime/4Y0cUdkd">Common Language Runtime</a> (CLR) and provides <a href="/facts/Computer_language/n3L56qdP">computer language</a> services for <a href="/facts/Dynamic_language/j8cQm8RF">dynamic languages</a>. These services include: </p> <ul><li>A dynamic <a href="/facts/Type_system/Tz0bAMS9">type system</a>, to be shared by all languages using the DLR services</li> <li><a href="/facts/Dynamic_dispatch/211NC5eu">Dynamic method dispatch</a></li> <li><a href="/facts/Runtime_code_generation/sbdqYrRp">Dynamic code generation</a></li> <li>Hosting API</li></ul> <p>The DLR is used to implement dynamic languages on the <a href="/facts/.NET_Framework/J6QDAUhP">.NET Framework</a>, including the <a href="/facts/IronPython/lpXuCulA">IronPython</a> and <a href="/facts/IronRuby/zfDwlxGn">IronRuby</a> projects. </p><p>Because the dynamic language implementations share a common underlying system, it should be easier for them to interact with one another. For example, it should be possible to use <a href="/facts/Library_(computing)/xRzL3P7q">libraries</a> from any dynamic language in any other dynamic language. In addition, the hosting API allows interoperability with statically typed <a href="/facts/List_of_CLI_languages/LnpaWLBK">CLI languages</a> like <a href="/facts/C_Sharp_(programming_language)/UC2gxeyb">C#</a> and <a href="/facts/Visual_Basic_.NET/09mPEo4q">Visual Basic .NET</a>. </p>