6 a + a; //~ ERROR cannot add `A` to `A`
8 a - a; //~ ERROR cannot subtract `A` from `A`
10 a * a; //~ ERROR cannot multiply `A` by `A`
12 a / a; //~ ERROR cannot divide `A` by `A`
14 a % a; //~ ERROR cannot mod `A` by `A`
16 a & a; //~ ERROR no implementation for `A & A`
18 a | a; //~ ERROR no implementation for `A | A`
20 a << a; //~ ERROR no implementation for `A << A`
22 a >> a; //~ ERROR no implementation for `A >> A`
24 a == a; //~ ERROR binary operation `==` cannot be applied to type `A`
26 a != a; //~ ERROR binary operation `!=` cannot be applied to type `A`
28 a < a; //~ ERROR binary operation `<` cannot be applied to type `A`
30 a <= a; //~ ERROR binary operation `<=` cannot be applied to type `A`
32 a > a; //~ ERROR binary operation `>` cannot be applied to type `A`
34 a >= a; //~ ERROR binary operation `>=` cannot be applied to type `A`