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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">A Sharp (.NET)</span></span>
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</style><table class="infobox vevent"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:#e0e0e0;">A#</th></tr><tr><th scope="row" class="infobox-label"><a href="Software_design" title="Software design">Designed by</a></th><td class="infobox-data">Dr. Martin C. Carlisle, Lt Col Ricky Sward, Maj Jeff Humphries</td></tr><tr><th scope="row" class="infobox-label"><a href="Software_developer" class="mw-redirect" title="Software developer">Developer</a></th><td class="infobox-data organiser"><a href="AdaCore" class="mw-redirect" title="AdaCore">AdaCore</a></td></tr><tr><th scope="row" class="infobox-label">First appeared</th><td class="infobox-data">2004<span style="display:none"> (<span class="bday dtstart published updated">2004</span>)</span></td></tr><tr><th scope="row" class="infobox-label"><a href="Computing_platform" title="Computing platform">Platform</a></th><td class="infobox-data"><a href="Common_Language_Infrastructure" title="Common Language Infrastructure">Common Language Infrastructure</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Operating_system" title="Operating system">OS</a></th><td class="infobox-data"><a href="Cross-platform" class="mw-redirect" title="Cross-platform">Cross-platform</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="GNU_General_Public_License" title="GNU General Public License">GNU General Public License</a></td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://www.asharp.martincarlisle.com">www<wbr>.asharp<wbr>.martincarlisle<wbr>.com</a></span></td></tr></tbody></table>
<p><b>A#</b> is a port of the <a href="Ada_(programming_language)" title="Ada (programming language)">Ada programming language</a> to the <a href=".NET_Framework" title=".NET Framework">Microsoft .NET</a> platform. A# is freely distributed by the Department of Computer Science at the <a href="United_States_Air_Force_Academy" title="United States Air Force Academy">United States Air Force Academy</a> as a service to the Ada community under the terms of the <a href="GNU_General_Public_License" title="GNU General Public License">GNU General Public License</a>.
</p><p><a href="AdaCore" class="mw-redirect" title="AdaCore">AdaCore</a> took over this development in 2007, and announced "<a href="GNAT" title="GNAT">GNAT</a> for .NET", which is a fully supported .NET product with all of the features of A# and more.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> As of 2021, A# has fallen dramatically in popularity and is considered by some to be a dead language (there are no known users or implementations).<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p>
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<div class="mw-heading mw-heading2"><h2 id="Examples">Examples</h2></div>
<div class="mw-heading mw-heading3"><h3 id="Hello,_world!">Hello, world!</h3></div>
<div class="mw-highlight mw-highlight-lang-ada mw-content-ltr" dir="ltr"><pre><span class="kn">with</span> <span class="n">Ada.Text_IO</span><span class="p">;</span>
<span class="kn">use</span> <span class="n">Ada.Text_IO</span><span class="p">;</span>
<span class="kd">procedure</span> <span class="nf">Hello_Dotnet</span> <span class="kr">is</span>
<span class="kr">begin</span>
<span class="n">Put_Line</span><span class="p">(</span><span class="n">Item</span> <span class="p">=></span> <span class="s">"Hello, world!"</span><span class="p">);</span>
<span class="kr">end</span> <span class="nf">Hello_Dotnet</span><span class="p">;</span>
</pre></div><p><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
</p><div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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<li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">Cited by Martin Carlisle (USAFA) <a rel="nofollow" class="external free" href="https://asharp.martincarlisle.com/">https://asharp.martincarlisle.com/</a> and see also <a rel="nofollow" class="external free" href="http://www.adacore.com/2007/09/10/adacore-first-to-bring-true-net-integration-to-ada/">http://www.adacore.com/2007/09/10/adacore-first-to-bring-true-net-integration-to-ada/</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071028102900/http://www.adacore.com/2007/09/10/adacore-first-to-bring-true-net-integration-to-ada/">Archived</a> 2007-10-28 at the <a href="Wayback_Machine" title="Wayback Machine">Wayback Machine</a></span>
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<li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">
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</style><cite id="CITEREFDeveloper2021" class="citation web cs1">Developer, Website (2021-03-10). <a rel="nofollow" class="external text" href="https://seattlewebsitedevelopers.medium.com/the-mysterious-existence-of-a-325d870ee6a4">"The Mysterious Existence of A#"</a>. <i>Medium</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2021-06-22</span></span>.</cite></span>
</li>
<li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.sigada.org/conf/sigada2003/SIGAda2003-CDROM/SIGAda2003-Tutorials/Carlisle-ASharp.pdf&ved=2ahUKEwje_ae47u3_AhWcJDQIHWjBC2wQFnoECAoQAQ&usg=AOvVaw3UUxN6L6w7t0ErTGFzK2mT">"A#: Multilanguage Programming with Ada in .NET"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">July 1,</span> 2023</span>.</cite></span>
</li>
</ol></div></div>
<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>
<ul><li><a rel="nofollow" class="external text" href="https://asharp.martincarlisle.com">A# for .NET</a></li>
<li><a rel="nofollow" class="external text" href="http://articleworld.org/A_Sharp_%28.NET%29">Ada Sharp .NET</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20081016062426/http://articleworld.org/A_Sharp_%28.NET%29">Archived</a> 2008-10-16 at the <a href="Wayback_Machine" title="Wayback Machine">Wayback Machine</a> Programming environment</li></ul>
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</style><div id="Common_Language_Infrastructure106" style="font-size:114%;margin:0 4em"><a href="Common_Language_Infrastructure" title="Common Language Infrastructure">Common Language Infrastructure</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Architecture</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Application_domain" title="Application domain">Application domain</a></li>
<li><a href="Code_Access_Security" title="Code Access Security">Code Access Security</a></li>
<li><a href="Common_Intermediate_Language" title="Common Intermediate Language">Common Intermediate Language</a>
<ul><li><a href="List_of_CIL_instructions" title="List of CIL instructions">instructions</a></li></ul></li>
<li><a href="Common_Type_System" title="Common Type System">Common Type System</a></li>
<li><a href="Platform_Invocation_Services" title="Platform Invocation Services">Platform Invocation Services</a></li>
<li><a href="Virtual_Execution_System" title="Virtual Execution System">Virtual Execution System</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Components</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Assembly_(CLI)" title="Assembly (CLI)">Assembly</a></li>
<li><a href="Delegate_(CLI)" title="Delegate (CLI)">Delegate</a></li>
<li><a href="Global_Assembly_Cache" title="Global Assembly Cache">Global Assembly Cache</a></li>
<li><a href="Manifest_(CLI)" title="Manifest (CLI)">Manifest</a></li>
<li><a href="Metadata_(CLI)" title="Metadata (CLI)">Metadata</a></li>
<li><a href="Standard_Libraries_(CLI)" title="Standard Libraries (CLI)">Standard Libraries</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Implementations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Microsoft</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href=".NET" title=".NET">.NET</a></li>
<li><a href=".NET_Framework" title=".NET Framework">.NET Framework</a></li>
<li><a href=".NET_Compact_Framework" title=".NET Compact Framework">.NET Compact Framework</a></li>
<li><a href=".NET_Micro_Framework" title=".NET Micro Framework">.NET Micro Framework</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Mono_(software)" title="Mono (software)">Mono</a></li>
<li><a href="DotGNU" title="DotGNU">DotGNU</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="List_of_CLI_languages" title="List of CLI languages">Languages</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Major</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="C_Sharp_(programming_language)" title="C Sharp (programming language)">C#</a></li>
<li><a href="Visual_Basic_(.NET)" title="Visual Basic (.NET)">Visual Basic</a></li>
<li><a href="F_Sharp_(programming_language)" title="F Sharp (programming language)">F#</a></li>
<li><a href="PowerShell" title="PowerShell">PowerShell</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Axum_(programming_language)" title="Axum (programming language)">Axum</a></li>
<li><a href="Boo_(programming_language)" title="Boo (programming language)">Boo</a></li>
<li><a href="Clojure" title="Clojure">Clojure</a></li>
<li><a href="Cobra_(programming_language)" title="Cobra (programming language)">Cobra</a></li>
<li><a href="C%2B%2B/CLI" title="C++/CLI">C++/CLI</a></li>
<li><a href="IronScheme" title="IronScheme">IronScheme</a></li>
<li><a href="IronPython" title="IronPython">IronPython</a></li>
<li><a href="IronRuby" title="IronRuby">IronRuby</a></li>
<li><a href="JScript_.NET" title="JScript .NET">JScript .NET</a></li>
<li><a href="Visual_J_Sharp" title="Visual J Sharp">J#</a></li>
<li><a href="Nemerle" title="Nemerle">Nemerle</a></li>
<li><a href="Oxygene_(programming_language)" title="Oxygene (programming language)">Oxygene</a></li>
<li><a href="Phalanger_(compiler)" title="Phalanger (compiler)">Phalanger</a></li>
<li><a href="Q_Sharp" title="Q Sharp">Q#</a></li>
<li><a href="Scala_(programming_language)" title="Scala (programming language)">Scala</a></li>
<li><a href="Microsoft_Small_Basic" title="Microsoft Small Basic">Small Basic</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Comparison</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Comparison_of_C_Sharp_and_Java" title="Comparison of C Sharp and Java">C# and Java</a></li>
<li><a href="Comparison_of_C_Sharp_and_Visual_Basic_.NET" title="Comparison of C Sharp and Visual Basic .NET">C# and Visual Basic .NET</a></li>
<li><a href="Comparison_of_Visual_Basic_and_Visual_Basic_.NET" title="Comparison of Visual Basic and Visual Basic .NET">Visual Basic and Visual Basic .NET</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>
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