const char *message,
...) HB_PRINTF_FUNC(6, 7) {}
- ret_t ret (ret_t v,
- const char *func HB_UNUSED = nullptr,
- unsigned int line HB_UNUSED = 0) { return v; }
+ template <typename T>
+ T ret (T&& v,
+ const char *func HB_UNUSED = nullptr,
+ unsigned int line HB_UNUSED = 0) { return hb_forward<T> (v); }
};
/* For disabled tracing; optimize out everything.
* https://github.com/harfbuzz/harfbuzz/pull/605 */
template <typename ret_t>
struct hb_no_trace_t {
- ret_t ret (ret_t v,
- const char *func HB_UNUSED = "",
- unsigned int line HB_UNUSED = 0) { return v; }
+ template <typename T>
+ T ret (T&& v,
+ const char *func HB_UNUSED = nullptr,
+ unsigned int line HB_UNUSED = 0) { return hb_forward<T> (v); }
};
#define return_trace(RET) return trace.ret (RET, HB_FUNC, __LINE__)