add a testcase, coroutine.

Author: treefrogframework

.github/workflows/actions.yml

@@ -26,6 +26,7 @@ jobs:
           ./cpi tests/helloworld.cpp
           ./cpi tests/sqrt.cpp 7
           ./cpi tests/fibonacci.cpp 10
+          ./cpi tests/fibonacci_coroutine.cpp 50
           ./cpi tests/unique_ptr.cpp
           ./cpi tests/optional.cpp
           ./cpi tests/if_initializer.cpp
@@ -54,6 +55,7 @@ jobs:
           ./cpi tests/helloworld.cpp
           ./cpi tests/sqrt.cpp 7
           ./cpi tests/fibonacci.cpp 10
+          # ./cpi tests/fibonacci_coroutine.cpp 50
           ./cpi tests/unique_ptr.cpp
           ./cpi tests/optional.cpp
           ./cpi tests/if_initializer.cpp
@@ -84,6 +86,7 @@ jobs:
           ./cpi tests/helloworld.cpp
           ./cpi tests/sqrt.cpp 7
           ./cpi tests/fibonacci.cpp 10
+          # ./cpi tests/fibonacci_coroutine.cpp 50
           ./cpi tests/unique_ptr.cpp
           ./cpi tests/optional.cpp
           ./cpi tests/if_initializer.cpp
@@ -111,6 +114,7 @@ jobs:
           ./cpi tests/helloworld.cpp
           ./cpi tests/sqrt.cpp 7
           ./cpi tests/fibonacci.cpp 10
+          # ./cpi tests/fibonacci_coroutine.cpp 50
           ./cpi tests/unique_ptr.cpp
           ./cpi tests/optional.cpp
           ./cpi tests/if_initializer.cpp
@@ -141,6 +145,7 @@ jobs:
           ./cpi tests/helloworld.cpp
           ./cpi tests/sqrt.cpp 7
           ./cpi tests/fibonacci.cpp 10
+          # ./cpi tests/fibonacci_coroutine.cpp 50
           ./cpi tests/unique_ptr.cpp
           ./cpi tests/optional.cpp
           ./cpi tests/if_initializer.cpp
@@ -230,6 +235,7 @@ jobs:
           cpi.bat tests\helloworld.cpp
           cpi.bat tests\sqrt.cpp 7
           cpi.bat tests\fibonacci.cpp 10
+          cpi.bat tests\fibonacci_coroutine.cpp 50
           cpi.bat tests\unique_ptr.cpp
           cpi.bat tests\optional.cpp
           cpi.bat tests\if_initializer.cpp
@@ -271,6 +277,7 @@ jobs:
           cpi.bat tests\helloworld.cpp
           cpi.bat tests\sqrt.cpp 7
           cpi.bat tests\fibonacci.cpp 10
+          cpi.bat tests\fibonacci_coroutine.cpp 50
           cpi.bat tests\unique_ptr.cpp
           cpi.bat tests\optional.cpp
           cpi.bat tests\if_initializer.cpp

tests/fibonacci_coroutine.cpp

@@ -0,0 +1,30 @@
+#include <generator>
+#include <iostream>
+
+
+std::generator<uint64_t> fib(int n)
+{
+    uint64_t a = 0, b = 1;
+
+    for (int i = 0; i <= n; ++i) {
+        co_yield a;
+        auto next = a + b;
+        a = b;
+        b = next;
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    if (argc != 2) {
+        return 0;
+    }
+
+    uint64_t num = 0;
+    for (auto v : fib(atoi(argv[1]))) {
+        num = v;
+    }
+
+    std::cout << "fibonacci: " << num << std::endl;
+    return 0;
+}