libstdc++
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Public Types | |
using | argument_type = experimental::optional< _Tp > |
using | result_type = size_t |
Public Member Functions | |
size_t | operator() (const experimental::optional< _Tp > &__t) const noexcept(noexcept(hash< _Tp > {}(*__t))) |
std::hash partial specialization for experimental::optional
Definition at line 922 of file experimental/optional.