mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 15:12:02 +00:00
Add comments.
This commit is contained in:
parent
0cccba62cf
commit
fe93e687de
@ -176,7 +176,7 @@ namespace impl
|
||||
};
|
||||
|
||||
/// Helper template class to convert a value of any supported type to hexadecimal representation and back.
|
||||
template <typename T, typename = void>
|
||||
template <typename T, typename SFINAE = void>
|
||||
struct HexConversion;
|
||||
|
||||
template <typename TUInt>
|
||||
@ -185,7 +185,7 @@ namespace impl
|
||||
template <size_t Bits, typename Signed>
|
||||
struct HexConversion<wide::integer<Bits, Signed>> : public HexConversionUInt<wide::integer<Bits, Signed>> {};
|
||||
|
||||
template <typename CityHashUInt128>
|
||||
template <typename CityHashUInt128> /// Partial specialization here allows not to include <city.h> in this header.
|
||||
struct HexConversion<CityHashUInt128, std::enable_if_t<std::is_same_v<CityHashUInt128, typename CityHash_v1_0_2::uint128>>>
|
||||
{
|
||||
static const constexpr size_t num_hex_digits = 32;
|
||||
@ -208,6 +208,8 @@ namespace impl
|
||||
|
||||
/// Produces a hexadecimal representation of an integer value with leading zeros (for checksums).
|
||||
/// The function supports native integer types, wide::integer, CityHash_v1_0_2::uint128.
|
||||
/// It can be used with signed types as well, however they are written as corresponding unsigned numbers
|
||||
/// using two's complement (i.e. for example "-1" is written as "0xFF", not as "-0x01").
|
||||
template <typename T>
|
||||
void writeHexUIntUppercase(const T & value, char * out)
|
||||
{
|
||||
|
Loading…
Reference in New Issue
Block a user