31 Input/output library [input.output]

31.12 File systems [filesystems]

31.12.13 Filesystem operation functions [fs.op.funcs]

31.12.13.7 Create directories [fs.op.create.directories]

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bool filesystem::create_directories(const path& p); bool filesystem::create_directories(const path& p, error_code& ec);
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Effects: Calls create_directory() for each element of p that does not exist.
2
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Returns: true if a new directory was created for the directory p resolves to, otherwise false.
3
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Throws: As specified in [fs.err.report].
4
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Complexity: where n is the number of elements of p.