added an example on how to pass a slice pointer to a function so we can work with it
added an example on how to pass a slice pointer to a function so we can
work with it

Signed-off-by: fernandoalex <5031cd7ad2960bcd4ef7b7b43e8479e4bd3e9c96@gmail.com>

fernandoalex/stuff,fernandoalex/stuff,fernandoalex/stuff,fernandoalex/stuff,fernandoalex/stuff,fernandoalex/stuff