Added foreach example (8e894b70) | Commits | gwj / po_oopc

Authored by Grzegorz Jabłoński 2019-12-11 18:48:43 +0100

1 parent 121e73b8

Showing 18 changed files with 71 additions and 0 deletions

examples09/02-iterator/foreach.cpp 0 → 100644

	1	+#include <stddef.h>
	2	+#include <iostream>
	3	+
	4	+class Iterator;
	5	+
	6	+class Collection
	7	+{
	8	+ static const size_t size = 10;
	9	+ int data[size];
	10	+ using iterator = Iterator;
	11	+ friend class Iterator;
	12	+public:
	13	+ Iterator begin();
	14	+ Iterator end();
	15	+};
	16	+
	17	+class Iterator
	18	+{
	19	+ int i;
	20	+ Collection* c;
	21	+public:
	22	+ Iterator(int ii, Collection* cc) : i(ii), c(cc){};
	23	+ int& operator *()
	24	+ {
	25	+ return c->data[i];
	26	+ }
	27	+ Iterator& operator++()
	28	+ {
	29	+ ++i;
	30	+ return *this;
	31	+ }
	32	+ bool operator!=(const Iterator& o)
	33	+ {
	34	+ return i != o.i;
	35	+ }
	36	+
	37	+};
	38	+
	39	+Iterator Collection::begin()
	40	+{
	41	+ return Iterator(0,this);
	42	+}
	43	+
	44	+Iterator Collection::end()
	45	+{
	46	+ return Iterator(Collection::size-1,this);
	47	+}
	48	+
	49	+int main()
	50	+{
	51	+Collection c;
	52	+
	53	+int a = 3;
	54	+
	55	+for(auto& i: c)
	56	+ i = a++;
	57	+
	58	+for(auto i: c)
	59	+ std::cout << i << std::endl;
	60	+
	61	+}
	62	+
	63	+
0	64	\ No newline at end of file
...	...

examples09/02-iterator/makefile 0 → 100644

examples09/02-algorithm/algo1.cpp renamed to examples09/03-algorithm/algo1.cpp

examples09/02-algorithm/algo2.cpp renamed to examples09/03-algorithm/algo2.cpp

examples09/02-algorithm/makefile renamed to examples09/03-algorithm/makefile

examples09/03-functionobject/fun1.cpp renamed to examples09/04-functionobject/fun1.cpp

examples09/03-functionobject/fun2.cpp renamed to examples09/04-functionobject/fun2.cpp

examples09/03-functionobject/fun3.cpp renamed to examples09/04-functionobject/fun3.cpp

examples09/03-functionobject/makefile renamed to examples09/04-functionobject/makefile

examples09/04-unordered_set/employee.h renamed to examples09/05-unordered_set/employee.h

examples09/04-unordered_set/makefile renamed to examples09/05-unordered_set/makefile

examples09/04-unordered_set/unordered_set.cpp renamed to examples09/05-unordered_set/unordered_set.cpp

examples09/05-closures/fun1.cpp renamed to examples09/06-closures/fun1.cpp

examples09/05-closures/fun2.cpp renamed to examples09/06-closures/fun2.cpp

examples09/05-closures/fun3.cpp renamed to examples09/06-closures/fun3.cpp

examples09/05-closures/fun4.cpp renamed to examples09/06-closures/fun4.cpp

examples09/05-closures/fun5.cpp renamed to examples09/06-closures/fun5.cpp

examples09/05-closures/makefile renamed to examples09/06-closures/makefile

gwj / po_oopc · Commits