A unix file descriptor streambuf for writing.

IOStreams/OutUnixFileBuf.test/0.cc

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+static_assert( __cplusplus > 2020'99 );
+
+#include "../OutUnixFileBuf.h"
+
+#include <Alepha/Testing/test.h>
+#include <Alepha/AutoRAII.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <Alepha/Utility/evaluation_helpers.h>
+
+auto init= Alepha::Utility::enroll <=[]
+{
+	using namespace Alepha::Testing::exports;
+
+	"Can we write to /dev/null?"_test <=[]
+	{
+		const auto fd= Alepha::AutoRAII
+		{
+			[]{ return open( "/dev/null", O_WRONLY ); },
+			::close
+		};
+
+		Alepha::IOStreams::OutUnixFileBuf buf{ fd };
+		std::ostream file{ &buf };
+	};
+};

IOStreams/OutUnixFileBuf.test/CMakeLists.txt

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+unit_test( 0 )