Fungsi Left,Mid dan Reight

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function

<ios> <iostream>

std::right

ios_base& right (ios_base& str);

Adjust output to the right

Sets the adjustfield format flag for the str stream to right.

When adjustfield is set to right, the output is padded to the field width (width) by inserting fill characters (fill) at the beginning, effectively adjusting the field to the right.

The adjustfield format flag can take any of the following values (each with its own manipulator):

flag value	effect when set
internal	the output is padded to the field width by inserting fill characters at a specified internal point.
left	the output is padded to the field width appending fill characters at the end.
right	the output is padded to the field width by inserting fill characters at the beginning.

For standard streams, the adjustfield flag is set to this value (right) on initialization.

Parameters

str

Stream object whose adjustfield format flag is affected.
Because this function is a manipulator, it is designed to be used alone with no arguments in conjunction with the insertion (<<) and extraction (>>) operations on streams (see example below).

Return Value

Argument str.

Example

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// modify adjustfield using manipulators #include <iostream> // std::cout, std::internal, std::left, std::right int main () { int n = -77; std::cout.width(6); std::cout << std::internal << n << '\n'; std::cout.width(6); std::cout << std::left << n << '\n'; std::cout.width(6); std::cout << std::right << n << '\n'; return 0; }

Edit & Run

Output:

- 77 -77 -77

Data races

Modifies str. Concurrent access to the same stream object may cause data races.

Exception safety

Basic guarantee: if an exception is thrown, str is in a valid state.

See also

internal

Adjust field by inserting characters at an internal position (function )

left

Adjust output to the left (function )

ios_base::flags

Get/set format flags (public member function )

ios_base::setf

Set specific format flags (public member function )

ios_base::unsetf

Clear specific format flags (public member function )