...

examples/hmap_example.cpp

@@ -162,5 +162,66 @@ int main()
         }
     }
 
+
+    std::println("\n\n\n\n");
+
+    snplib::hmap<std::string> hm;
+
+    std::string k1{"k_int"}, k2{"k_str"}, k3("k_dbl");
+    int i1 = 10;
+    double f1 = 7.7;
+    std::string s1 = "test-str";
+
+    std::print("push element with key '{}' and value {}\t...", k1, i1);
+    ok = hm.push(k1, i1, std::tuple<long, double, float, long long>{});
+    if (!ok) {
+        std::println("cannot insert the value {}", i1);
+    } else {
+        std::println("OK");
+    }
+
+    std::print("push element with key '{}' and value {}\t...", k2, s1);
+    ok = hm.push(
+        k2, s1,
+        [](auto const& v) -> decltype(hm)::hmap_expected_t<const char*> {
+            return v.c_str();
+            // if (v) {
+            //     return v.c_str();
+            // } else {
+            //     return std::unexpected(v.error());
+            // }
+        },
+        [](auto const& v) -> decltype(hm)::hmap_expected_t<std::string> {
+            return std::string(v.value());
+            // if (v) {
+            //     return std::string(v.value());
+            // } else {
+            //     return std::unexpected(v.error());
+            // }
+        });
+    if (!ok) {
+        std::println("cannot insert the value {}", s1);
+    } else {
+        std::println("OK");
+    }
+
+    std::print("push element with key '{}' and value {}\t...", k3, f1);
+    ok = hm.push(k3, f1, std::tuple<long, int, float, long long>{});
+    if (!ok) {
+        std::println("cannot insert the value {}", f1);
+    } else {
+        std::println("OK");
+    }
+
+    std::println("\n");
+
+    std::print("get '{}'-element as double: ", k1);
+    auto f2 = hm.get<double>(k1);
+    if (f2) {
+        std::println("{}", f2.value());
+    } else {
+        std::println("FAIL");
+    }
+
     return 0;
 }