std::ios_base::openmode

< cpp‎ | io‎ | ios base

typedef /implementation defined/ openmode;
static constexpr openmode app = /implementation defined/ static constexpr openmode binary = /implementation defined/ static constexpr openmode in = /implementation defined/ static constexpr openmode out = /implementation defined/ static constexpr openmode trunc = /implementation defined/ static constexpr openmode ate = /implementation defined/

Specifies available file open flags. It is a BitmaskType, the following constants are defined:

Constant	Explanation
`app`	seek to the end of stream before each write
`binary`	open in binary mode
`in`	open for reading
`out`	open for writing
`trunc`	discard the contents of the stream when opening
`ate`	seek to the end of stream immediately after open

Example

This section is incomplete
Reason: no example

See also

open	opens a file and configures it as the associated character sequence (public member function of `std::basic_filebuf<CharT,Traits>`)
(constructor)	constructs a basic_stringbuf object (public member function of `std::basic_stringbuf<CharT,Traits,Allocator>`)