Error: type mismatch
Expression: inc(res)
[1] res: OpCode
Expected one of (first mismatch at [position]):
[1] proc inc[A](t: CountTableRef[A]; key: A; val = 1)
[1] proc inc[A](t: var CountTable[A]; key: A; val = 1)
[1] proc inc[T, V: Ordinal](x: var T; y: V = 1)
Error: type mismatch
Expression: inc(res)
[1] res: OpCode
Expected one of (first mismatch at [position]):
[1] proc inc[A](t: CountTableRef[A]; key: A; val = 1)
[1] proc inc[A](t: var CountTable[A]; key: A; val = 1)
[1] proc inc[T, V: Ordinal](x: var T; y: V = 1)