Pfx v0.14.1

Pfx.trim

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

trim(prefix)

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Specs

trim(prefix()) :: prefix()

Trims all trailing 0's from given prefix.

Examples 

iex> trim("255.255.255.0")
"255.255.255.0/24"

# perhaps more visible like this
iex> trim("255.255.255.0")
...> |> new()
%Pfx{bits: <<255, 255, 255>>, maxlen: 32}

iex> trim("10.10.128.0/30")
"10.10.128.0/17"

iex> trim({255, 255, 255, 0})
{255, 255, 255, 0}
iex> trim({{255, 255, 255, 0}, 32})
{{255, 255, 255, 0}, 24}

iex> trim("acdc:1976::ff00/128")
"acdc:1976::ff00/120"