Boost Beast Translation (zh_Hans)/Doc / Qbk / 07 Concepts / File (qbk)

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6 string ID 21
	Source string description type: paragraph

	English In this table: 14/10000 · 14
7 string ID 23
	Source string description type: list

	English * `F` is a [File] type `f` is an instance of `F` * `p` is a value of type `char const*` which points to a null 113/10000 · 113
8 string ID 27
	Source string description type: list

	English * `m` is an instance of [link beast.ref.boost__beast__file_mode `file_mode`] * `n` is a number of bytes, convertible to `std::size_t` * `o` is a byte offset in the file, convertible to `std::uint64_t` * `b` is any non-const pointer to memory * `c` is any possibly-const pointer to memory * `ec` is a reference of type [link beast.ref.boost__beast__error_code `error_code`] 372/10000 · 372
9 string ID 34
	Source string description type: table title

	English Valid expressions 17/10000 · 17
10 string ID 34
	Source string description type: table cell

	English Expression 10/10000 · 10
11 string ID 34
	Source string description type: table cell

	English Type 4/10000 · 4
34 string ID 34
	Source string description type: table cell

	English Semantics, Pre/Post-conditions 30/10000 · 30
13 string ID 34
	Source string description type: table cell

	English Operation 9/10000 · 9
14 string ID 34
	Source string description type: table cell

	English Return Type 11/10000 · 11
15 string ID 34
	Source string description type: table cell

	English `F()` 5/10000 · 5
16 string ID 34
	Source string description type: table cell

	English Default constructable 21/10000 · 21
17 string ID 34
	Source string description type: table cell

	English `f.~F()` 8/10000 · 8
18 string ID 34
	Source string description type: table cell

	English Destructible. If `f` refers to an open file, it is first closed as if by a call to `close` with the error ignored. 114/10000 · 114
19 string ID 34
	Source string description type: table cell

	English `f.is_open()` 13/10000 · 13
20 string ID 34
	Source string description type: table cell

	English `bool` 6/10000 · 6
21 string ID 34
	Source string description type: table cell

	English Returns `true` if `f` refers to an open file, `false` otherwise. 64/10000 · 64
22 string ID 34
	Source string description type: table cell

	English `f.close(ec)` 13/10000 · 13
23 string ID 34
	Source string description type: table cell

	English If `f` refers to an open file, this function attempts to close the file. Regardless of whether an error occurs or not, a subsequent call to `f.is_open()` will return `false`. The function will ensure that `!ec` is `true` if there was no error or set to the appropriate error code if an error occurred. 301/10000 · 301
24 string ID 34
	Source string description type: table cell

	English `f.open(p,m,ec)` 16/10000 · 16
25 string ID 34
	Source string description type: table cell

	English Attempts to open the file at the path specified by `p` with the mode specified by `m`. Upon success, a subsequent call to `f.is_open()` will return `true`. If `f` refers to an open file, it is first closed as if by a call to `close` with the error ignored. The function will ensure that `!ec` is `true` if there was no error or set to the appropriate error code if an error occurred. 383/10000 · 383

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