


Here are some English Q&A titles that match the content of your article: * Why Is std::make_unique Better Than Using `new` to Initialize `std::unique_ptr`? * What are the Advantages of Using `std::make_unique` for `std::unique_ptr` Initialization? *
Advantages of std::make_unique
Using std::make_unique to initialize std::unique_ptr has the following advantages:
Readability enhancement
- std::make_unique directly indicates that you intend to create a smart pointer, while new implies the creation of a raw pointer.
Type Safety
- std::make_unique enforces type safety, it automatically creates the correct std::unique_ptr based on the template type argument Example.
Exception Safety
- std::make_unique is exception safe, it will automatically free the allocated memory if the constructor throws an exception.
Efficiency
- std::make_unique is generally more efficient than using new because it avoids extra function calls and memory allocation operations.
Prevent memory leaks
- std::make_unique can prevent memory leaks because it automatically frees allocated memory even when the function throws an exception case.
Better than new
-
In general, using std::make_unique is better than using new to create smart pointers . Here are some situations where std::make_unique is recommended:
- When you need to create a simple std::unique_ptr instance.
- When you need to ensure exception safety.
- When you want to be more efficient.
Case in which std::make_unique is not suitable
- When you need to use a custom destructor, Don't use std::make_unique.
- Also do not use std::make_unique when you need to take a smart pointer from a raw pointer.
The above is the detailed content of Here are some English Q&A titles that match the content of your article: * Why Is std::make_unique Better Than Using `new` to Initialize `std::unique_ptr`? * What are the Advantages of Using `std::make_unique` for `std::unique_ptr` Initialization? *. For more information, please follow other related articles on the PHP Chinese website!

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