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BLI: add default hash for shared_ptr and reference_wrapper 

This makes it easier to use these types as keys in Map, Set and VectorSet.
This commit is contained in:
Jacques Lucke 2021-09-06 12:54:51 +02:00
parent 4d0497bea4
commit e2bbb5b07e
1 changed files with 14 additions and 0 deletions
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14
source/blender/blenlib/BLI_hash.hh
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@ -250,6 +250,20 @@ template<typename T> struct DefaultHash<std::unique_ptr<T>> {
}
};
template<typename T> struct DefaultHash<std::shared_ptr<T>> {
uint64_t operator()(const std::shared_ptr<T> &value) const
{
return get_default_hash(value.get());
}
};
template<typename T> struct DefaultHash<std::reference_wrapper<T>> {
uint64_t operator()(const std::reference_wrapper<T> &value) const
{
return get_default_hash(value.get());
}
};
template<typename T1, typename T2> struct DefaultHash<std::pair<T1, T2>> {
uint64_t operator()(const std::pair<T1, T2> &value) const
{