xo-expression2: + Expression facet

xo-expression2/src/expression2/IExpression_Any.cpp

@@ -0,0 +1,38 @@
+/** @file IExpression_Any.cpp
+ *
+ **/
+
+#include "detail/IExpression_Any.hpp"
+#include <iostream>
+
+namespace xo {
+namespace scm {
+
+using xo::facet::DVariantPlaceholder;
+using xo::facet::typeseq;
+using xo::facet::valid_facet_implementation;
+
+void
+IExpression_Any::_fatal()
+{
+    /* control here on uninitialized IAllocator_Any.
+     * Initialized instance will have specific implementation type
+     */
+    std::cerr << "fatal"
+              << ": attempt to call uninitialized"
+              << " IExpression_Any method"
+              << std::endl;
+    std::terminate();
+}
+
+typeseq
+IExpression_Any::s_typeseq = typeseq::id<DVariantPlaceholder>();
+
+bool
+IExpression_Any::_valid
+  = valid_facet_implementation<AExpression, IExpression_Any>();
+
+} /*namespace scm*/
+} /*namespace xo*/
+
+/* end IExpression_Any.cpp */