What are the key features of the C++ string library?
An example of an AI chatbot conversation about the C++ string library and its features.
What are the key features of the C++ string library?
The C++ string library provides a variety of features including dynamic sizing, concatenation, and substring operations.
Can you explain how to concatenate two strings in C++?
You can concatenate two strings using the '+' operator or the 'append()' method. For example, str1 + str2 or str1.append(str2).
What about finding a substring within a string?
You can use the 'find()' method to locate a substring. It returns the index of the first occurrence or 'string::npos' if not found.
Are there any performance considerations I should be aware of?
Yes, frequent concatenation can lead to performance issues due to memory reallocations. Using 'reserve()' can help optimize this.
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