Difference between revisions of "cpp/io/ios base/openmode"
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Revision as of 12:53, 15 June 2012
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<td class="t-dcl-nopad">typedef /*implementation defined*/ openmode;
</td>
<td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> <tr class="t-dcl ">
<td class="t-dcl-nopad">static constexpr openmode app = /*implementation defined*/
</td>
static constexpr openmode binary = /*implementation defined*/
static constexpr openmode in = /*implementation defined*/
static constexpr openmode out = /*implementation defined*/
static constexpr openmode trunc = /*implementation defined*/
<td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> Template:ddcl list end
Specifies available file open flags. It is a bitmask type, 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 |
| noreplace (C++23) | open in exclusive mode |
Example
| This section is incomplete Reason: no example |
