#include "various.hpp"

#include "core/Log.h"

#include <fstream>
#include <iostream>
#include <memory>


std::string
utils::slurp_file(std::string const& path)
{
  std::ifstream file = std::ifstream(path);
  if (!file.is_open()) {
    LogError("Failed to open \"%s\"", path.c_str());
    return std::string("");
  }

  file.seekg(0, std::ios::end);
  auto const size = file.tellg();
  file.seekg(0, std::ios::beg);

  std::unique_ptr<char[]> content = std::make_unique<char[]>(static_cast<size_t>(size) + 1ll);
  file.read(content.get(), size);
  content[static_cast<size_t>(size)] = '\0';

  return std::string(content.get());
}

#include "various.hpp"

#include <fstream>
#include <iostream>
#include <memory>


std::string
utils::slurp_file(std::string const& path)
{
  std::ifstream file = std::ifstream(path);
  if (!file.is_open()) {
    std::cerr << "Failed to open \"" << path << "\"" << std::endl;
    return std::string("");
  }

  file.seekg(0, std::ios::end);
  auto const size = file.tellg();
  file.seekg(0, std::ios::beg);

  std::unique_ptr<char[]> content = std::make_unique<char[]>(static_cast<size_t>(size) + 1ll);
  file.read(content.get(), size);
  content[static_cast<size_t>(size)] = '\0';

  return std::string(content.get());
}

--- 
+++ 
@@ -1,4 +1,6 @@
 #include "various.hpp"
+
+#include "core/Log.h"
 
 #include <fstream>
 #include <iostream>
@@ -10,7 +12,7 @@
 {
   std::ifstream file = std::ifstream(path);
   if (!file.is_open()) {
-    std::cerr << "Failed to open \"" << path << "\"" << std::endl;
+    LogError("Failed to open \"%s\"", path.c_str());
     return std::string("");
   }
 
Use the logging functions in `utils::slurp_file()`

Use `LogError` rather `std::cerr` as the former will also log to the
_log.txt_ file.
