Method operator[]

src/backward.h:764–764

public:
    size_t size() const { return 0; }
    Trace operator[](size_t) const { return Trace(); }
    size_t load_here(size_t = 0) { return 0; }
    size_t load_from(void*, size_t = 0, void* = nullptr, void* = nullptr) { return 0; }
    size_t thread_id() const { return 0; }