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std::ios_base::flags(3) C++ Standard Libary std::ios_base::flags(3)

NAME

std::ios_base::flags - std::ios_base::flags

Synopsis


fmtflags flags() const; (1)
fmtflags flags( fmtflags flags ); (2)


Manages format flags.


1) returns current formatting setting


2) replaces current settings with given ones.

Parameters


new formatting setting. It can be a combination of the following constants:


Constant Explanation
dec use decimal base for integer I/O: see std::dec
oct use octal base for integer I/O: see std::oct
hex use hexadecimal base for integer I/O: see std::hex
basefield dec|oct|hex. Useful for masking operations
left left adjustment (adds fill characters to the right): see
std::left
right right adjustment (adds fill characters to the left): see
std::right
internal internal adjustment (adds fill characters to the internal
designated point): see std::internal
adjustfield left|right|internal. Useful for masking operations
scientific generate floating point types using scientific notation, or hex
notation if combined with fixed: see std::scientific
flags - fixed generate floating point types using fixed notation, or hex
notation if combined with scientific: see std::fixed
floatfield scientific|fixed. Useful for masking operations
boolalpha insert and extract bool type in alphanumeric format: see
std::boolalpha
generate a prefix indicating the numeric base for integer
showbase output, require the currency indicator in monetary I/O: see
std::showbase
showpoint generate a decimal-point character unconditionally for
floating-point number output: see std::showpoint
showpos generate a + character for non-negative numeric output: see
std::showpos
skipws skip leading whitespace before certain input operations: see
std::skipws
unitbuf flush the output after each output operation: see std::unitbuf
uppercase replace certain lowercase letters with their uppercase
equivalents in certain output operations: see std::uppercase

Return value


the formatting flags before the call to the function

Example


This section is incomplete
Reason: no example

See also


setf sets specific format flag
(public member function)
unsetf clears specific format flag
(public member function)

2022.07.31 http://cppreference.com