CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.21)
-project(const_fmt)
+project(logger)
 
 set(CMAKE_CXX_STANDARD 20)
 
@@ -11,8 +11,14 @@ endif()
 
 include_directories(.)
 
+add_executable(logger src/main.cpp)
 
-add_subdirectory(examples)
+
+if(MSVC)
+    target_compile_options(logger PRIVATE /W4 /WX)
+else()
+    target_compile_options(logger PRIVATE -O3 -Wall -Wextra -pedantic -fno-exceptions)
+endif()
 
 
 option(PACKAGE_TESTS "Build the tests" ON)

const_fmt/Logger.h

@@ -0,0 +1,52 @@
+#ifndef LOGGER_LOGGER_H
+#define LOGGER_LOGGER_H
+
+
+#include <array>
+#include <iostream>
+#include <tuple>
+
+#include "format.h"
+
+
+/*
+ *
+ * Logger class
+ *
+ */
+
+
+namespace detail {
+
+template <typename T>
+concept output_policy_c = requires(T t) {
+    t.write('c');
+};
+
+} // namespace detail
+
+
+template <detail::output_policy_c output_policy_t>
+class Logger {
+
+public:
+    Logger(output_policy_t output_policy) : m_output_policy(output_policy) {
+    }
+
+    template <detail::ConstString msg, typename... args_t>
+    void log(args_t... args) {
+        const auto formatted_msg = format<msg>(args...);
+
+        for (const auto& c : formatted_msg) {
+            m_output_policy.write(c);
+        }
+
+        m_output_policy.write('\n');
+    }
+
+private:
+    output_policy_t& m_output_policy;
+};
+
+
+#endif // LOGGER_LOGGER_H

examples/CMakeLists.txt

@@ -1,7 +0,0 @@
-add_executable(const_fmt_example src/examples.cpp)
-
-if(MSVC)
-    target_compile_options(const_fmt_example PRIVATE /W4 /WX)
-else()
-    target_compile_options(const_fmt_example PRIVATE -O3 -Wall -Wextra -pedantic -fno-exceptions)
-endif()

examples/src/examples.cpp

@@ -1,8 +0,0 @@
-#include <const_fmt/format.h>
-#include <iostream>
-
-int main() {
-    // TODO
-
-    return 0;
-}

src/main.cpp

@@ -0,0 +1,13 @@
+#include <const_fmt/Logger.h>
+
+
+int main(int argc, char* argv[]) {
+    auto formatted = "Test: {:12} {:012.5} {:8}"_fmt(argv[0], 123.45, -1234567);
+
+    for (const auto& c : formatted)
+        std::cout << c;
+    std::cout << std::endl;
+
+//    return formatted[6];
+    return 0;
+}

test/CMakeLists.txt

@@ -14,15 +14,8 @@ macro(package_add_test TESTNAME)
             PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY "${PROJECT_DIR}"
             )
     set_target_properties(${TESTNAME} PROPERTIES FOLDER tests)
-
-    if(MSVC)
-        target_compile_options(${TESTNAME} PRIVATE /W4 /WX)
-    else()
-        target_compile_options(${TESTNAME} PRIVATE -O3 -Wall -Wextra -pedantic -fno-exceptions)
-    endif()
 endmacro()
 
-
 package_add_test(utility_test src/utility.cpp)
 package_add_test(parse_test src/parse.cpp)
 package_add_test(format_test src/format.cpp)