Product package:base-compat

Monoid under multiplication.

>>> getProduct (Product 3 <> Product 4 <> mempty)
12

The product function computes the product of the numbers of a structure.

Examples

Basic usage:

>>> product []
1

>>> product [42]
42

>>> product [1..10]
3628800

>>> product [4.1, 2.0, 1.7]
13.939999999999998

>>> product [1..]
* Hangs forever *