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(list)+some flavour text for list program output

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This commit is contained in:
Aryadev Chavali
2021-11-22 06:09:34 +00:00
parent ab5d1c6997
commit c0ccb7b384
1 changed files with 15 additions and 2 deletions
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17
list.cpp
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@@ -96,15 +96,28 @@ std::ostream& operator<<(std::ostream& ostream, const List<T> *lst)
int main(void) int main(void)
{ {
puts("Create linked list with 1..10");
auto lst = append<int>(nullptr, 1); auto lst = append<int>(nullptr, 1);
for (int i = 2; i < 10; ++i) for (int i = 2; i <= 10; ++i)
lst = append(lst, i); lst = append(lst, i);
printf("Current output for list: ");
std::cout << lst << std::endl; std::cout << lst << std::endl;
lst = reverse(lst); lst = reverse(lst);
printf("Reverse list: ");
std::cout << lst << std::endl; std::cout << lst << std::endl;
puts("Reverse list again...");
printf("Map list with f(x) = 2x: ");
map<int, int>(lst = reverse(lst), [](int x){ return x * 2; }); map<int, int>(lst = reverse(lst), [](int x){ return x * 2; });
std::cout << lst << std::endl; std::cout << lst << std::endl;
std::cout << reduce<int>(lst, [](int a, int b) { return a + b; }, 0) << std::endl; puts("Reverse map...");
map<int, int>(lst, [](int x){ return x / 2; });
printf("Sum all numbers in list: ");
std::cout << reduce<int>(lst, [](int a, int b) { return a + b; }, 0)
<< std::endl;
printf("Print all even numbers 1..10: ");
auto evens = filter<int>(lst, [](int a) { return a % 2 == 0; });
std::cout << evens << std::endl;
delete lst; delete lst;
delete evens;
return 0; return 0;
} }