add switch_if_empty, default_if_empty

2 files changed, 50 insertions, 0 deletions

diff --git a/Rx/v2/examples/doxygen/default_if_empty.cpp b/Rx/v2/examples/doxygen/default_if_empty.cpp
new file mode 100644
index 0000000..9ac8e64
--- /dev/null
+++ b/Rx/v2/examples/doxygen/default_if_empty.cpp
@@ -0,0 +1,17 @@
+#include "rxcpp/rx.hpp"
+
+#include "rxcpp/rx-test.hpp"
+#include "catch.hpp"
+
+SCENARIO("default_if_empty sample"){
+    printf("//! [default_if_empty sample]\n");
+
+    auto values = rxcpp::observable<>::empty<int>()
+            .default_if_empty(42);
+
+    values.subscribe(
+            [](int v) { printf("OnNext: %d\n", v); },
+            []() { printf("OnCompleted\n"); } );
+
+    printf("//! [default_if_empty sample]\n");
+}
diff --git a/Rx/v2/examples/doxygen/switch_if_empty.cpp b/Rx/v2/examples/doxygen/switch_if_empty.cpp
new file mode 100644
index 0000000..51faad7
--- /dev/null
+++ b/Rx/v2/examples/doxygen/switch_if_empty.cpp
@@ -0,0 +1,33 @@
+#include "rxcpp/rx.hpp"
+
+#include "rxcpp/rx-test.hpp"
+#include "catch.hpp"
+
+SCENARIO("switch_if_empty sample"){
+    printf("//! [switch_if_empty sample]\n");
+
+    auto values = rxcpp::observable<>::empty<int>()
+            .switch_if_empty(rxcpp::observable<>::range(1, 5));
+
+    values.subscribe(
+            [](int v) { printf("OnNext: %d\n", v); },
+            []() { printf("OnCompleted\n"); } );
+
+    printf("//! [switch_if_empty sample]\n");
+}
+
+SCENARIO("switch_if_empty - operator syntax sample") {
+    using namespace rxcpp;
+    using namespace rxcpp::sources;
+    using namespace rxcpp::operators;
+
+    printf("//! [switch_if_empty - operator syntax sample]\n");
+    auto values = empty<int>()
+        | switch_if_empty(range(1, 5));
+
+    values.subscribe(
+            [](int v) { printf("OnNext: %d\n", v); },
+            []() { printf("OnCompleted\n"); } );
+
+    printf("//! [switch_if_empty - operator syntax sample]\n");
+}