### `++mod`

Modulus

Computes the remainder of dividing `a` by `b`.

Accepts
-------

`a` is an atom.

`b` is an atom.

Produces
--------

An atom.

Source
------

    ++  mod                                                 ::  remainder
      ~/  %mod
      |:  [a=`@`1 b=`@`1]
      ^-  @
      ?<  =(0 b)
      (sub a (mul b (div a b)))
        

Examples
--------

    ~zod/try=> (mod 5 2)
    1
    ~zod/try=> (mod 5 5)
    0



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