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Remove some unneeded headers #680

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@mjp41 mjp41 commented Sep 24, 2024

Towards #670.

This removes some unneeded headers from the headers.
This stack allocates and copies a c-string to replace the calls to std::string.
auto s_indent = std::string(indent);
print(get_dir(true, curr), (s_indent + "|").c_str(), depth + 1);
print(get_dir(false, curr), (s_indent + " ").c_str(), depth + 1);
char s_indent[128];

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Why 128? - Also you might want to use a scoped constant, like enum { size = 128 }; char s_indent[size]

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@SamuelMarks thanks for your code review. I've added a comment to explain the bound, and made a constexpr for the constant.

@mjp41 mjp41 requested review from SamuelMarks and nwf and removed request for SamuelMarks September 25, 2024 09:30
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