Documentation

• \( \mathbb{Z}^{+} \), the non-negative integers.

>>> :{
  -- Addition
  f1 :: (Semiring r) => r -> r
  f1 x = x .+. x
:}

>>> f1 5
10

>>> :{
  -- Zero
  f2 :: (Semiring r) => r -> r
  f2 x = x .+. zero
:}

>>> f2 5
5

>>> :{
  -- Multiplication
  f3 :: (Semiring r) => r -> r
  f3 x = x .*. x
:}

>>> f3 5
25

>>> :{
  -- One
  f4 :: (Semiring r) => r -> r
  f4 x = x .*. one
:}

>>> f4 5
5