File: range-for2.C

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (40 lines) | stat: -rw-r--r-- 734 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
40
 
// Test for range-based for loop
// Test the loop with a custom iterator
// with begin/end in an associated namespace

// { 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(container &c)
    {
        return iterator(c.min);
    }

    iterator end(container &c)
    {
        return iterator(c.max + 1);
    }
}

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