ZennDev1337/cpp-demo-project
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This commit is contained in:
ZennDev1337 2024-01-29 16:13:08 +01:00
parent ebe10eb632
commit 3964df5916
3 changed files with 26 additions and 19 deletions
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22
src/io.cpp
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@ -1,6 +1,12 @@
#include "io.h"
#include <iostream>
#include <iomanip>
void add_two_numbers()
{
int a{read_number()};
int b{read_number()};
write_answer(a + b);
}
int read_number()
{
std::cout << "Enter a number to add: ";
@ -12,11 +18,23 @@ void write_answer(int x)
{
std::cout << "The answer is: " << x << "\n";
}
void convert_char_to_ascii()
{
std::cout << "Enter a single character: ";
char c{};
std::cin >> c;
std::cout << "You entered '" << c << "', which hass ASCII code " << static_cast<int>(c) << ".";
}
void print_type_size_bytes()
{
std::cout << std::left; // left justify output
std::cout << std::setw(16) << "bool:" << sizeof(bool) << " bytes\n";
std::cout << std::setw(16) << "char:" << sizeof(char) << " bytes\n";
std::cout << std::setw(16) << "short:" << sizeof(short) << " bytes\n";
std::cout << std::setw(16) << "int:" << sizeof(int) << " bytes\n";
std::cout << std::setw(16) << "long:" << sizeof(long) << " bytes\n";
std::cout << std::setw(16) << "long long:" << sizeof(long long) << " bytes\n";
std::cout << std::setw(16) << "float:" << sizeof(float) << " bytes\n";
std::cout << std::setw(16) << "double:" << sizeof(double) << " bytes\n";
std::cout << std::setw(16) << "long double:" << sizeof(long double) << " bytes\n";
}

4
src/io.h
View file

@ -1,5 +1,7 @@
#pragma once
void add_two_numbers();
int read_number();
void write_answer(int x);
void convert_char_to_ascii();
void convert_char_to_ascii();
void print_type_size_bytes();

19
src/main.cpp
View file

@ -1,25 +1,12 @@
#include <iostream> // for std::cout
#include <iomanip>
#include "io.h"
// Definition of function main()
int main()
{
// int a{read_number()};
// int b{read_number()};
// write_answer(a + b);
// add_two_numbers();
// convert_char_to_ascii();
std::cout << std::left; // left justify output
std::cout << std::setw(16) << "bool:" << sizeof(bool) << " bytes\n";
std::cout << std::setw(16) << "char:" << sizeof(char) << " bytes\n";
std::cout << std::setw(16) << "short:" << sizeof(short) << " bytes\n";
std::cout << std::setw(16) << "int:" << sizeof(int) << " bytes\n";
std::cout << std::setw(16) << "long:" << sizeof(long) << " bytes\n";
std::cout << std::setw(16) << "long long:" << sizeof(long long) << " bytes\n";
std::cout << std::setw(16) << "float:" << sizeof(float) << " bytes\n";
std::cout << std::setw(16) << "double:" << sizeof(double) << " bytes\n";
std::cout << std::setw(16) << "long double:" << sizeof(long double) << " bytes\n";
// print_type_size_bytes();
return 0;
}