Is Cplusplus.com a Reliable Source for C Documentation?

Mistakes and Misleading Information from Cplusplus.com

While Cplusplus.com can be a useful reference for accessible C documentation, it has garnered criticism for inaccuracies and misconceptions. Understanding these shortcomings can safeguard against potential risks in coding decisions.

Errors and Misconceptions

One glaring example is the incorrect explanation of std::remove from the header. Cplusplus.com erroneously states that std::remove does not alter elements beyond the new end, suggesting they retain their original values. This is false; these elements are unspecified and may yield unpredictable results.

Another instance is the misleading information about list::remove. Cplusplus.com claims it shares "similar behavior" with the global std::remove, but this is not the case. std::remove merely shifts elements within the container, while list::remove permanently removes them thanks to its inherent container knowledge.

Risks of Using Cplusplus.com

Relying solely on Cplusplus.com for coding guidance can pose risks:

• Incorrect Implementations: Misinterpreting the functionality of library elements, like std::remove, can lead to incorrect code and unexpected behavior.
• Conflicting Information: The inaccuracies in Cplusplus.com's documentation can introduce confusion and conflict with other sources, such as the official ISO standard.
• Mistrust: Excessive errors can erode trust in Cplusplus.com, making it difficult to rely on it as a credible reference for accurate information.

Recommendations

While Cplusplus.com can be a convenient starting point, it is not advisable to use it as the sole source of documentation. For accurate information, refer to the official ISO C standard or reputable sources like MSDN, cppreference, or IBM.

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