Method allocate

3rd/mimalloc-2.0.9/include/mimalloc.h:465–465

  #if (__cplusplus >= 201703L)  // C++17
  mi_decl_nodiscard T* allocate(size_type count) { return static_cast<T*>(mi_new_n(count, sizeof(T))); }
  mi_decl_nodiscard T* allocate(size_type count, const void*) { return allocate(count); }
  #else
  mi_decl_nodiscard pointer allocate(size_type count, const void* = 0) { return static_cast<pointer>(mi_new_n(count, sizeof(value_type))); }