c-resources/CPlusPlus20ForProgrammers-m.../examples/ch19/fig19_13.cpp

56 lines
2.3 KiB
C++

// fig19_13.cpp
// Using member function fill and stream manipulator setfill to change
// the padding character for fields larger than the printed value.
#include <iomanip>
#include <iostream>
int main() {
int x{10000};
// display x
std::cout << x << " printed as int right and left aligned\n"
<< "and as hex with internal alignment.\n"
<< "Using the default pad character (space):\n";
// display x
std::cout << std::setw(10) << x << "\n";
// display x with left alignment
std::cout << std::left << std::setw(10) << x << "\n";
// display x with base as hex with internal alignment
std::cout << std::showbase << std::internal << std::setw(10)
<< std::hex << x << "\n\n";
std::cout << "Using various padding characters:\n";
// display x using padded characters (right alignment)
std::cout << std::right;
std::cout.fill('*');
std::cout << std::setw(10) << std::dec << x << "\n";
// display x using padded characters (left alignment)
std::cout << std::left << std::setw(10) << std::setfill('%')
<< x << "\n";
// display x using padded characters (internal alignment)
std::cout << std::internal << std::setw(10)
<< std::setfill('^') << std::hex << x << "\n";
}
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