AuroraMiddleware/stduuid
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more examples

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mariusbancila 2017-12-18 17:42:27 +02:00 committed by GitHub
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@ -50,6 +50,28 @@ auto str = L"47183823-2574-4bfd-b411-99ed177d3e43"s;
uuid guid(str);
assert(guid.wstring() == str);
```
* Creating a UUID from an array
```
std::array<uint8_t, 16> arr{
0x47, 0x18, 0x38, 0x23,
0x25, 0x74,
0x4b, 0xfd,
0xb4, 0x11,
0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43};
uuid guid(arr);
assert(id.string() == "47183823-2574-4bfd-b411-99ed177d3e43");
```
or
```
uint8_t arr[16] = {
0x47, 0x18, 0x38, 0x23,
0x25, 0x74,
0x4b, 0xfd,
0xb4, 0x11,
0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43};
uuid guid(arr);
assert(id.string() == "47183823-2574-4bfd-b411-99ed177d3e43");
```
* Comparing UUIDS
```
uuid empty;
@ -83,6 +105,26 @@ uuid empty;
assert(empty.string() == "00000000-0000-0000-0000-000000000000");
assert(empty.wstring() == L"00000000-0000-0000-0000-000000000000");
```
* Iterating through the UUID data
```
std::array<uint8_t, 16> arr{
0x47, 0x18, 0x38, 0x23,
0x25, 0x74,
0x4b, 0xfd,
0xb4, 0x11,
0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43};
uuid guid;
assert(guid.nil());
std::copy(std::cbegin(arr), std::cend(arr), std::begin(guid));
assert(!guid.nil());
assert(guid.string() == "47183823-2574-4bfd-b411-99ed177d3e43");
size_t i = 0;
for (auto const & b : guid)
assert(arr[i++] == b);
```
* Using with an orderered associative container
```
std::set<uuids::uuid> ids{