Type Definition hb_font_get_font_extents_func_t
harfbuzz_sys
type hb_font_get_font_extents_func_t = Option<unsafe extern "C" fn(_: *mut hb_font_t, _: *mut c_void, _: *mut hb_font_extents_t, _: *mut c_void) -> hb_bool_t>;