A representation of the Spanner UUID type: A fixed size 16 byte value that can be represented as a 32-digit hexadecimal string.
Constructors
Uuid(Uuid &&)
Regular value type, supporting copy, assign, move.
| Parameter | |
|---|---|
| Name | Description |
|
Uuid &&
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Uuid(Uuid const &)
Regular value type, supporting copy, assign, move.
| Parameter | |
|---|---|
| Name | Description |
|
Uuid const &
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Uuid()
Default construction yields a zero value UUID.
Uuid(absl::uint128)
Construct a UUID from one unsigned 128-bit integer.
| Parameter | |
|---|---|
| Name | Description |
value |
absl::uint128
|
Uuid(std::uint64_t, std::uint64_t)
Construct a UUID from two unsigned 64-bit pieces.
| Parameters | |
|---|---|
| Name | Description |
high_bits |
std::uint64_t
|
low_bits |
std::uint64_t
|
Operators
operator=(Uuid &&)
Regular value type, supporting copy, assign, move.
| Parameter | |
|---|---|
| Name | Description |
|
Uuid &&
|
| Returns | |
|---|---|
| Type | Description |
Uuid & |
|
operator=(Uuid const &)
Regular value type, supporting copy, assign, move.
| Parameter | |
|---|---|
| Name | Description |
|
Uuid const &
|
| Returns | |
|---|---|
| Type | Description |
Uuid & |
|
operator absl::uint128() const
Conversion to unsigned 128-bit integer representation.
operator std::string() const
Conversion to a lower case string formatted as:
[8 hex-digits]-[4 hex-digits]-[4 hex-digits]-[4 hex-digits]-[12 hex-digits] Example: 0b6ed04c-a16d-fc46-5281-7f9978c13738
Functions
As64BitPair() const
Returns a pair of unsigned 64-bit integers representing the UUID.
| Returns | |
|---|---|
| Type | Description |
std::pair< std::uint64_t, std::uint64_t > |
|