xo-facet: facet template [WIP]

xo-object2/include/xo/object2/ASequence.hpp

@@ -0,0 +1,43 @@
+/** @file ASequence.hpp
+ *
+ *  Generated automagically from ingredients:
+ *  1. code generator:
+ *       [/home/roland/proj/xo-umbrella2/xo-object2/../xo-facet/codegen/genfacet.py]
+ *     arguments:
+ *       --input [./idl/Sequence.json5]
+ *  2. jinja2 template for abstract facet .hpp file:
+ *       [abstract_facet.hpp.j2]
+ *  3. idl for facet methods
+ *       [./idl/Sequence.json5]
+ **/
+
+#pragma once
+
+// includes (via {facet_includes})
+#include <xo/gc/GCObject.hpp>
+
+namespace xo {
+namespace scm {
+
+/**
+Elements appear in some determinstic order.
+Sequence is GC-aware --> elements must be GC-aware
+**/
+class ASequence {
+public:
+
+    /** true iff sequence is empty **/
+    virtual bool is_empty() const noexcept = 0;
+
+
+    /** true iff sequence is finite **/
+    virtual bool is_finite() const noexcept = 0;
+
+
+    /** return element @p index of this sequence **/
+    virtual obj<AGCObject> at(size_type index) const = 0;
+
+}; /*ASequence*/
+
+} /*namespace scm*/
+} /*namespace xo*/