xo-expression: + if-expressions

src/expression/CMakeLists.txt

@@ -6,7 +6,7 @@ set(SELF_SRCS
     Apply.cpp
     Lambda.cpp
     Variable.cpp
-    #init_reflect.cpp
+    IfExpr.cpp
 )
 
 xo_add_shared_library4(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 ${SELF_SRCS})

src/expression/IfExpr.cpp

@@ -0,0 +1,20 @@
+/* @file IfExpr.cpp */
+
+#include "IfExpr.hpp"
+#include "xo/indentlog/print/vector.hpp"
+
+namespace xo {
+    namespace ast {
+        void
+        IfExpr::display(std::ostream & os) const {
+            os << "<IfExpr"
+               << xtag("test", test_)
+               << xtag("when_true", when_true_)
+               << xtag("when_false", when_false_)
+               << ">";
+        } /*display*/
+    } /*namespace ast*/
+} /*namespace xo*/
+
+
+/* end IfExpr.cpp */