velox/common/memory/HashStringAllocator.h
void clear() {
    numFree_ = 0;
    freeBytes_ = 0;
    new (&free_) CompactDoubleList();
    pool_.clear();
  }
// Frees all memory associated with 'this' and leaves 'this' ready for reuse.
Frees all memory associated with 'this' and leaves 'this' ready for reuse.
Frees all memory associated with ' this ' and leaves ' this ' ready for reuse .
void clear() {
    numFree_ = 0;
    freeBytes_ = 0;
    new (&free_) CompactDoubleList();
    pool_.clear();
  }
void clear ( ) { numFree_ = 0 ; freeBytes_ = 0 ; new ( & free_ ) CompactDoubleList ( ) ; pool_ . clear ( ) ; }
Frees all memory associated with 'this' and leaves 'this' ready for reuse.
Frees all memory associated with ' this ' and leaves ' this ' ready for reuse .