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Video of Implementing the Python String (str) Class in C in C Programming course by Chuck Severance channel, video No. 21 free certified online
This lecture explains how to create a C string class that replicates Python's string functionality. The class uses a structure with fields for string length, allocated buffer size, and the character data array. The implementation handles memory allocation and deallocation internally to avoid manual memory management.
The lecture covers the design of the PyStr class, including a constructor, methods for appending single characters and strings, and a buffer expansion mechanism using realloc. Encapsulation is enforced by hiding internal state and providing controlled access through methods, ensuring safe string operations without buffer overflows.
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