hash (Hashing Utilities)

Overview

C++ utilities for hashing.

Functions
template<class T >
void	HashCombine (size_t &seed, const T &val)
	A function that combines the hash of a new value into an existing seed, based on boost::hash_combine. More...

Function Documentation

HashCombine()

void etcpal::HashCombine ( size_t &  seed, const T &  val  )

inline

A function that combines the hash of a new value into an existing seed, based on boost::hash_combine.

Example:

int val1 = 1234;
std::string val2("5678");
 
size_t seed = std::hash<int>()(val1);
etcpal::HashCombine(seed, val2);
 
// seed now containes a hash uniquely based on the combination of val1 and val2.

Parameters

seed	The seed which will be updated.
val	The value to hash and combine into the seed.