29 Input/output library [input.output]

29.11 File systems [filesystems]

29.11.14 Filesystem operation functions [fs.op.funcs]

29.11.14.22 Is regular file [fs.op.is.regular.file]

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bool is_regular_file(file_status s) noexcept;
1
#
Returns: s.type() == file_­type​::​regular.
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bool is_regular_file(const path& p);
2
#
Returns: is_­regular_­file(status(p)).
3
#
Throws: filesystem_­error if status(p) would throw filesystem_­error.
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bool is_regular_file(const path& p, error_code& ec) noexcept;
4
#
Effects: Sets ec as if by status(p, ec).
[Note
:
file_­type​::​none, file_­type​::​not_­found and file_­type​::​unknown cases set ec to error values.
To distinguish between cases, call the status function directly.
— end note
]
5
#
Returns: is_­regular_­file(status(p, ec)).
Returns false if an error occurs.