File: range-for11.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (39 lines) | stat: -rw-r--r-- 730 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
// Test for range-based for loop
// Test the loop with a custom iterator
// with begin/end as member functions

// { dg-do compile { target c++11 } }

struct iterator
{
    int x;
    explicit iterator(int v) :x(v) {}
    iterator &operator ++() { ++x; return *this; }
    int operator *() { return x; }
    bool operator != (const iterator &o) { return x != o.x; }
};

namespace foo
{
    struct container
    {
        int min, max;
        container(int a, int b) :min(a), max(b) {}

        iterator begin()
        {
            return iterator(min);
        }
        iterator end()
        {
            return iterator(max + 1);
        }
    };
}

int main()
{
    foo::container c(1,4);
    for (int it : c)
        ;
}