Section
std::ios_base
The class ios_base is a multipurpose class that serves as the base class for all I/O stream classes. It maintains several kinds of data:
# Declarations
class ios_base;
# Defect reports
| DR | Applied to | Behavior as published | Correct behavior |
|---|---|---|---|
| LWG 1357(N3110) | C++98 | std::ios_base defined operator~, operator&and operator| for types openmode, fmtflags andiostate, violating the requirements of BitmaskType[1] | removed these definitions |