pub unsafe extern "C" fn duk_map_string(
ctx: *mut duk_context,
idx: duk_idx_t,
callback: duk_map_char_function,
udata: *mut c_void,
)pub unsafe extern "C" fn duk_map_string(
ctx: *mut duk_context,
idx: duk_idx_t,
callback: duk_map_char_function,
udata: *mut c_void,
)