Pfx v0.14.1

Pfx.neighbor

You're seeing just the function neighbor, go back to Pfx module for more information.
Link to this function

neighbor(pfx)

View Source

Specs

neighbor(prefix()) :: prefix()

Returns the neighboring prefix for pfx, such that both can be combined in a supernet.

Examples 

iex> neighbor("1.1.1.128/25")
"1.1.1.0/25"

iex> neighbor("1.1.1.0/25")
"1.1.1.128/25"

iex> neighbor({1, 1, 1, 1})
{1, 1, 1, 0}

iex> neighbor({{1, 1, 1, 128}, 25})
{{1, 1, 1, 0}, 25}

iex> neighbor(%Pfx{bits: <<1, 1, 1, 1::1>>, maxlen: 32})
%Pfx{bits: <<1, 1, 1, 0::1>>, maxlen: 32}