May 18, 2013 · std::string::find returns a std::string::size_type (aka. size_t ) not an int . Two differences: size_t is unsigned, and it's not necessarily the same size as an int depending on your platform (eg. on 64 bits Linux or Windows size_t is unsigned 64 bits while int is signed 32 bits).

Mar 19, 2019 · In C++ use 'helper classes' (for example, std::string) to handle the longevity of data (which requires changing the function's return value), or pass a buffer to the function that gets filled in with information.

Feb 12, 2024 · One of the simplest ways to return a string from a function is by returning it as a value. This involves creating a local string variable within the function, populating it with the desired content, and then returning it. Return by the value is the preferred method for returning string objects from functions.

Oct 20, 2010 · Try to step debug into a function that returns std::string and examine the innards of that object that is about to be return. You shall see a member field pointer address xxx. And then, examine the std::string variable that received the function's return value.

The simplest way to return a string from a function is using C++‘s std::string return by value: std::string getUserName() { std::string result = lookupUserName(); return result; } This leverages std::string ‘s move constructor to efficiently transfer ownership to the caller.

Discover how to return string in C++ with ease. This concise guide covers key techniques and examples to master string handling effortlessly. In C++, you can return a string from a function by specifying the return type as `std::string` and using the `return` statement to send the desired string value back to the caller. Here's a simple example:

Mar 6, 2025 · In C++, strings are sequences of characters that are used to store words and text. They are also used to store data, such as numbers and other types of information in the form of text. Strings are provided by <string> header file in the form of std::string class. Creating a string means creating an instance of std::string class as shown:

Learn how to return a string in C++ with this easy-to-follow guide. Includes examples of how to use the std::string class and the string literal operator. Skip to content

Apr 24, 2025 · The strcspn() function in C/C++ takes two string as input, string_1 and string_2 as it's argument and searches string_1 by traversing for any characters that is present in string_2 . The function will return the length of string_1 if none …

Mar 20, 2010 · Returning instead to a string must copy the string literal into an object of type string, memory that the caller is responsible for.