Instance Method インスタンスメソッド

synchronize()

Causes all in-memory data and attributes of the file represented by the file handle to write to permanent storage.

Declaration 宣言

func synchronize() throws

Discussion 議論

Programs that require the file to always be in a known state should call this method. An invocation of this method doesn’t return until memory is flushed.

See Also 参照

Operating on a File ファイルに関する操作

func close()

Disallows further access to the represented file or communications channel and signals end of file on communications channels that permit writing. 表現されたファイルまたは通信経路へのもっと先のアクセスを禁止します、そして書き込み許可する通信経路上のファイルの終端を合図します。

func truncate(atOffset: UInt64)

Truncates or extends the file represented by the file handle to a specified offset within the file and puts the file pointer at that position.