func `+=`(a: var StUint; b: SomeUnsignedInt) {....raises: [], inline, noinit, ...gcsafe.}
func `+=`(a: var StUint; b: StUint) {....raises: [], inline, noinit, ...gcsafe.}
func `-=`(a: var StUint; b: StUint) {....raises: [], inline, noinit, ...gcsafe.}
func diff(r: var StUint; a, b: StUint) {....raises: [], inline, noinit, ...gcsafe.}
func inc(a: var StUint; w: Word = 1) {....raises: [], inline, noinit, ...gcsafe.}
func sum(r: var StUint; a, b: StUint) {....raises: [], inline, noinit, ...gcsafe.}
func sum(r: var StUint; a: StUint; b: SomeUnsignedInt) {....raises: [], inline, noinit, ...gcsafe.}