std::collections::set {Value}
LinkedEntry
struct LinkedEntry
{
uint hash;
Value value;
LinkedEntry* next; // For bucket chain
LinkedEntry* before; // Previous in insertion order
LinkedEntry* after; // Next in insertion order
}struct LinkedEntry
{
uint hash;
Value value;
LinkedEntry* next; // For bucket chain
LinkedEntry* before; // Previous in insertion order
LinkedEntry* after; // Next in insertion order
}