Implement env.h

src/env.h

@@ -0,0 +1,25 @@
+#pragma once
+#include <cstdlib>
+#include <string>
+
+class Env {
+public:
+    static std::string get(std::string key, std::string default_value ) {
+        const char* value = std::getenv(key.c_str());
+        if (value == NULL) {
+            return default_value;
+        }
+
+        return value;
+    }
+
+    static int get(std::string key, int default_value) {
+        const char* value = std::getenv(key.c_str());
+
+        if (value == NULL) {
+            return default_value;
+        }
+
+        return std::atoi(value);
+    }
+};