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random generator

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Marius Bancila 2018-01-15 17:48:46 +02:00 committed by GitHub
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@ -59,6 +59,27 @@ assert(guid.size() == 16);
assert(guid.version() == uuids::uuid_version::random_number_based); assert(guid.version() == uuids::uuid_version::random_number_based);
assert(guid.variant() == uuids::uuid_variant::rfc); assert(guid.variant() == uuids::uuid_variant::rfc);
``` ```
* Creating a new UUID with a default random generator
```
uuids::uuid_random_generator gen;
uuid const guid = gen();
assert(!guid.nil());
assert(guid.size() == 16);
assert(guid.version() == uuids::uuid_version::random_number_based);
assert(guid.variant() == uuids::uuid_variant::rfc);
```
* Creating a new UUID with a particular random generator
```
std::random_device rd;
std::ranlux48_base generator(rd());
uuids::basic_uuid_random_generator<std::ranlux48_base> gen(&generator);
uuid const guid = gen();
assert(!guid.nil());
assert(guid.size() == 16);
assert(guid.version() == uuids::uuid_version::random_number_based);
assert(guid.variant() == uuids::uuid_variant::rfc);
```
* Create a UUID from a string * Create a UUID from a string
``` ```
using namespace std::string_literals; using namespace std::string_literals;