add samples for contains and exists via operator call syntax

2 files changed, 36 insertions, 6 deletions

diff --git a/Rx/v2/examples/doxygen/contains.cpp b/Rx/v2/examples/doxygen/contains.cpp
index 9bc551a..6e59649 100644
--- a/Rx/v2/examples/doxygen/contains.cpp
+++ b/Rx/v2/examples/doxygen/contains.cpp
@@ -3,12 +3,27 @@
 #include "rxcpp/rx-test.hpp"
 #include "catch.hpp"
 
-SCENARIO("contains sample"){
+SCENARIO("contains sample") {
     printf("//! [contains sample]\n");
     auto values = rxcpp::observable<>::from(1, 2, 3, 4, 5).contains(3);
     values.
             subscribe(
-            [](bool v){ printf("OnNext: %s\n", v ? "true" : "false"); },
-            [](){ printf("OnCompleted\n"); });
+            [](bool v) { printf("OnNext: %s\n", v ? "true" : "false"); },
+            []() { printf("OnCompleted\n"); });
     printf("//! [contains sample]\n");
+}
+
+SCENARIO("contains - operator syntax sample") {
+    using namespace rxcpp;
+    using namespace rxcpp::sources;
+    using namespace rxcpp::operators;
+
+    printf("//! [contains - operator syntax sample]\n");
+    auto values = range(1, 10)
+        | contains(2);
+    values.
+            subscribe(
+            [](bool v) { printf("OnNext: %s\n", v ? "true" : "false"); },
+            []() { printf("OnCompleted\n"); });
+    printf("//! [contains - operator syntax sample]\n");
 }
\ No newline at end of file
diff --git a/Rx/v2/examples/doxygen/exists.cpp b/Rx/v2/examples/doxygen/exists.cpp
index a2dd283..6e4d249 100644
--- a/Rx/v2/examples/doxygen/exists.cpp
+++ b/Rx/v2/examples/doxygen/exists.cpp
@@ -3,12 +3,27 @@
 #include "rxcpp/rx-test.hpp"
 #include "catch.hpp"
 
-SCENARIO("exists sample"){
+SCENARIO("exists sample") {
     printf("//! [exists sample]\n");
     auto values = rxcpp::observable<>::from(1, 2, 3, 4, 5).exists([](int n) { return n > 3; });
     values.
             subscribe(
-            [](bool v){ printf("OnNext: %s\n", v ? "true" : "false"); },
-            [](){ printf("OnCompleted\n"); });
+            [](bool v) { printf("OnNext: %s\n", v ? "true" : "false"); },
+            []() { printf("OnCompleted\n"); });
     printf("//! [exists sample]\n");
+}
+
+SCENARIO("exists - operator syntax sample") {
+    using namespace rxcpp;
+    using namespace rxcpp::sources;
+    using namespace rxcpp::operators;
+
+    printf("//! [exists - operator syntax sample]\n");
+    auto values = range(1, 10)
+        | exists([](int n) { return n == 1; });
+    values.
+            subscribe(
+            [](bool v) { printf("OnNext: %s\n", v ? "true" : "false"); },
+            []() { printf("OnCompleted\n"); });
+    printf("//! [exists - operator syntax sample]\n");
 }
\ No newline at end of file