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author
Anton Kerekesha
committed
correct few comments
1 parent a733461 commit 506e7a0

4 files changed

Lines changed: 82 additions & 113 deletions

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‎1_constants_variables_and_types/CMakeLists.txt‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,6 +2,6 @@ cmake_minimum_required(VERSION 3.10)
22

33
project(cvt)
44

5-
add_compile_options(-Wall -Wextra -pedantic -Werror)
5+
#add_compile_options(-Wall -Wextra -pedantic -Werror)
66

77
add_executable(cvt main.cpp)

‎1_constants_variables_and_types/main.cpp‎

Lines changed: 78 additions & 112 deletions
Original file line numberDiff line numberDiff line change
@@ -1,39 +1,83 @@
11
#include <iostream>
22

3-
using namespace std;
3+
using std::cout;
4+
using std::endl;
5+
6+
bool bglob;
7+
static bool bsglob;
8+
const bool bcglob{true};
9+
const static bool bcsglob{true};
10+
auto abglob{true};
11+
12+
char cglob;
13+
static char csglob;
14+
const char ccglob{34};
15+
const static char ccsglob{34};
16+
auto acglob{34};
417

518
int iglob;
619
static int isglob;
720
const int icglob{123};
821
const static int icsglob{234};
9-
auto aglob{345};
22+
auto aiglob{345};
23+
24+
float fglob;
25+
static float fsglob;
26+
const float fcglob{12.3};
27+
const static float fcsglob{23.4};
28+
auto afglob{34.5};
1029

1130
double dglob;
1231
static double dsglob;
1332
const double dcglob{12.3};
1433
const static double dcsglob{23.4};
1534
auto adglob{34.5};
1635

17-
// The function doesn't work because global variables sent with copy of value
18-
// template <typename T> inline void print_vars(string name, T var, T * pvar, T & rvar)
19-
// {
20-
// cout << "Value of " << name << ": " << var << endl;
21-
// cout << "Address of " << name << ": " << &var << endl;
22-
// cout << "Value of p" << name << ": " << pvar << endl;
23-
// cout << "Value of p" << name << "+1: " << pvar+1 << endl;
24-
// cout << "Address of p" << name << ": " << &pvar << endl;
25-
// cout << "Value of variable with address p" << name << ": " << *pvar << endl;
26-
// cout << "Size of " << name << ": " << sizeof(var) << endl;
27-
// cout << "Size of p" << name << ": " << sizeof(pvar) << endl;
28-
// cout << "Size of r" << name << ": " << sizeof(rvar) << endl;
29-
// cout << "Address of r" << name << ": " << &rvar << endl;
30-
// cout << "Value of r" << name << ": " << rvar << endl;
31-
// }
36+
template<typename T>
37+
void print_variable_info(const T& var, const std::string& name = "") {
38+
std::string prefix = (name.empty()) ? "" : ("[" + name + "] ");
3239

40+
std::cout << "\n";
41+
std::cout << prefix << "Value: " << var << "\n";
42+
std::cout << prefix << "Address: " << &var << "\n"; // Q: why it won't print address of var with type "char"? what is needed to do?
43+
std::cout << prefix << "Type: " << typeid(var).name() << "\n";
44+
std::cout << prefix << "Sizeof: " << sizeof(var) << std::endl;
45+
}
46+
47+
template<typename T>
48+
void print_variable_info(const T* var, const std::string& name = "") {
49+
std::string prefix = (name.empty()) ? "" : ("[" + name + "] ");
50+
51+
std::cout << "\n";
52+
std::cout << prefix << "Value: " << var << "\n";
53+
std::cout << prefix << "Address: " << &var << "\n"; // Q: why it won't print address of var with type "char"? what is needed to do?
54+
std::cout << prefix << "Type: " << typeid(var).name() << "\n";
55+
std::cout << prefix << "Sizeof: " << sizeof(var) << std::endl;
56+
}
3357

3458
int main()
3559
{
3660

61+
bool * pbglob = &bglob;
62+
bool * pbsglob = &bsglob;
63+
const bool * pbcglob = &bcglob;
64+
const bool * pbcsglob = &bcsglob;
65+
66+
bool &rbglob = bglob;
67+
bool &rbsglob = bsglob;
68+
const bool &rbcglob = bcglob;
69+
const bool &rbcsglob = bcsglob;
70+
71+
char * pcglob = &cglob;
72+
char * pcsglob = &csglob;
73+
const char * pccglob = &ccglob;
74+
const char * pccsglob = &ccsglob;
75+
76+
char &rcglob = cglob;
77+
char &rcsglob = csglob;
78+
const char &rccglob = bcglob;
79+
const char &rccsglob = bcsglob;
80+
3781
int iloc;
3882
static int isloc;
3983
const int icloc{654};
@@ -43,14 +87,14 @@ int main()
4387
int * pisglob = &isglob;
4488
const int * picglob = &icglob;
4589
const int * picsglob = &icsglob;
46-
auto *paglob=&aglob;
90+
//auto *paglob=&aglob;
4791

4892

4993
int &riglob = iglob;
5094
int &risglob = isglob;
5195
const int &ricglob = icglob;
5296
const int &ricsglob = icsglob;
53-
auto &raglob=aglob;
97+
//auto &raglob=aglob;
5498

5599
int * piloc = &iloc;
56100
int * pisloc = &isloc;
@@ -82,102 +126,23 @@ int main()
82126
cout << "c - const" << endl;
83127
cout << "s - static" << endl;
84128
cout << "glob - global" << endl;
85-
cout << "loc - local" << endl << endl;
129+
cout << "loc - local" << endl;
86130

87131
cout << "---------------------------------------------------------------------" << endl;
88132

89-
cout << "Value of iglob: " << iglob << endl;
90-
cout << "Address of iglob: " << &iglob << endl;
91-
cout << "Value of piglob: " << piglob << endl;
92-
cout << "Value of piglob+1: " << piglob+1 << endl;
93-
cout << "Address of piglob: " << &piglob << endl;
94-
cout << "Value of variable with address piglob: " << *piglob << endl;
95-
cout << "Size of iglob: " << sizeof(iglob) << endl;
96-
cout << "Size of piglob: " << sizeof(piglob) << endl;
97-
cout << "Size of riglob: " << sizeof(riglob) << endl;
98-
cout << "Address of riglob: " << &riglob << endl;
99-
cout << "Value of riglob: " << riglob << endl;
100-
riglob=545;
101-
cout << "The reference is changed to 545" << endl;
102-
cout << "Value of iglob: " << iglob << endl;
103-
cout << "Value of riglob: " << riglob << endl;
133+
print_variable_info<bool>(bglob,"bglob");
134+
print_variable_info<bool>(pbglob,"pbglob");
135+
print_variable_info<bool>(rbglob,"rbglob");
104136

105-
cout << endl;
137+
print_variable_info<int>(iglob,"iglob");
138+
print_variable_info<int>(piglob,"piglob");
139+
print_variable_info<int>(riglob,"riglob");
106140

107-
cout << "Value of isglob: " << isglob << endl;
108-
cout << "Address of isglob: " << &isglob << endl;
109-
cout << "Value of pisglob: " << pisglob << endl;
110-
cout << "Value of pisglob+1: " << pisglob+1 << endl;
111-
cout << "Address of pisglob: " << &pisglob << endl;
112-
cout << "Value of variable with address pisglob: " << *pisglob << endl;
113-
cout << "Size of isglob: " << sizeof(isglob) << endl;
114-
cout << "Size of pisglob: " << sizeof(pisglob) << endl;
115-
cout << "Size of risglob: " << sizeof(risglob) << endl;
116-
cout << "Address of risglob: " << &risglob << endl;
117-
cout << "Value of risglob: " << risglob << endl;
118-
risglob=656;
119-
cout << "The reference is changed to 656" << endl;
120-
cout << "Value of isglob: " << isglob << endl;
121-
cout << "Value of risglob: " << risglob << endl;
141+
print_variable_info<char>(cglob,"cglob");
142+
print_variable_info<char>(pcglob,"pcglob");
143+
print_variable_info<char>(rcglob,"rcglob");
122144

123-
cout << endl;
124-
125-
cout << "Value of icglob: " << icglob << endl;
126-
cout << "Address of icglob: " << &icglob << endl;
127-
cout << "Value of picglob: " << picglob << endl;
128-
cout << "Value of picglob+1: " << picglob+1 << endl;
129-
cout << "Address of picglob: " << &picglob << endl;
130-
cout << "Value of variable with address picglob: " << *picglob << endl;
131-
cout << "Size of icglob: " << sizeof(icglob) << endl;
132-
cout << "Size of picglob: " << sizeof(picglob) << endl;
133-
cout << "Size of ricglob: " << sizeof(ricglob) << endl;
134-
cout << "Address of ricglob: " << &ricglob << endl;
135-
cout << "Value of ricglob: " << ricglob << endl;
136-
//ricglob=741;
137-
cout << "The reference can't be changed because it is const" << endl;
138-
cout << "Value of icglob: " << icglob << endl;
139-
cout << "Value of ricglob: " << ricglob << endl;
140-
141-
cout << endl;
142-
143-
cout << "Value of icsglob: " << icsglob << endl;
144-
cout << "Address of icsglob: " << &icsglob << endl;
145-
cout << "Value of picsglob: " << picsglob << endl;
146-
cout << "Value of picsglob+1: " << picsglob+1 << endl;
147-
cout << "Address of picsglob: " << &picsglob << endl;
148-
cout << "Value of variable with address picsglob: " << *picsglob << endl;
149-
cout << "Size of icsglob: " << sizeof(icsglob) << endl;
150-
cout << "Size of picsglob: " << sizeof(picsglob) << endl;
151-
cout << "Size of ricsglob: " << sizeof(ricsglob) << endl;
152-
cout << "Address of ricsglob: " << &ricsglob << endl;
153-
cout << "Value of ricsglob: " << ricsglob << endl;
154-
//ricglob=852;
155-
cout << "The reference can't be changed because it is const" << endl;
156-
cout << "Value of icsglob: " << icsglob << endl;
157-
cout << "Value of ricsglob: " << ricsglob << endl;
158-
159-
cout << endl;
160-
161-
cout << "Value of aglob: " << aglob << endl;
162-
cout << "Address of aglob: " << &aglob << endl;
163-
cout << "Value of paglob: " << paglob << endl;
164-
cout << "Value of paglob+1: " << paglob+1 << endl;
165-
cout << "Address of paglob: " << &paglob << endl;
166-
cout << "Value of variable with address paglob: " << *paglob << endl;
167-
cout << "Size of aglob: " << sizeof(aglob) << endl;
168-
cout << "Size of paglob: " << sizeof(paglob) << endl;
169-
cout << "Size of raglob: " << sizeof(raglob) << endl;
170-
cout << "Address of raglob: " << &raglob << endl;
171-
cout << "Value of raglob: " << raglob << endl;
172-
cout << "Type of auto variable is - " << typeid(aglob).name() << endl;
173-
cout << "Type of auto pointer is - " << typeid(paglob).name() << endl;
174-
cout << "Type of auto reference is - " << typeid(raglob).name() << endl;
175-
raglob=963;
176-
cout << "The reference is changed to 963" << endl;
177-
cout << "Value of isglob: " << aglob << endl;
178-
cout << "Value of risglob: " << raglob << endl;
179-
180-
cout << endl;
145+
181146

182147
cout << "---------------------------------------------------------------------" << endl;
183148
cout << "Value of iloc: " << iloc << endl;
@@ -366,7 +331,7 @@ int main()
366331
// unsigned int * uipointer = &iglob;
367332
//error: invalid conversion from ‘int*’ to ‘unsigned int*’
368333

369-
cout << endl << "---------------------------------------------------------------------" << endl;
334+
//cout << endl << "---------------------------------------------------------------------" << endl;
370335

371336
//int * npointer{nullptr};
372337
//There is no compilation error
@@ -378,18 +343,19 @@ int main()
378343
// }
379344
//ERROR: Segmentation fault
380345

381-
cout << endl << "---------------------------------------------------------------------" << endl;
346+
//cout << endl << "---------------------------------------------------------------------" << endl;
382347

383348
//int * somepointer;
384349

385350
//somepointer=56;
386351
//cout << "somepointer value = " << somepointer << ", value from pointer = " << *somepointer << endl;
387352
//error: invalid conversion from ‘int’ to ‘int*’ [-fpermissive]
388353

389-
cout << endl << "---------------------------------------------------------------------" << endl;
354+
///cout << endl << "---------------------------------------------------------------------" << endl;
390355

391356
//iglob="Some string.";
392357
//ERROR: error: invalid conversion from ‘const char*’ to ‘int’ [-fpermissive]
393358

359+
std::cout << std::endl;
394360
return 0;
395361
}

‎2_another_title/CMakeLists.txt‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+

‎CMakeLists.txt‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,5 @@
1+
cmake_minimum_required(VERSION 3.10)
2+
13
project(basecamp)
24

35
add_subdirectory(1_constants_variables_and_types)

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