export fn add(lhs in 'int, rhs in 'int) returns 'int @add lhs, rhs

export fn sub(lhs in 'int, rhs in 'int) returns 'int @subtract lhs, rhs

export fn mult(lhs in 'int, rhs in 'int) returns 'int @multiply lhs, rhs

export fn div(lhs in 'int, rhs in 'int) returns 'int @divide lhs, rhs
