Iptrie.less

You're seeing just the function less, go back to Iptrie module for more information.

Specs

less(t(), prefix()) :: [{prefix(), any()}]

Returns all the prefix,value-pairs whose prefix is a prefix for the given search prefix.

This returns the less specific entries that enclose the given search prefix. Note that any bitstring is always a prefix of itself. So, if present, the search key will be included in the result.

Example

iex> ipt = new()
...> |> put("1.1.1.0/25", "A25-lower")
...> |> put("1.1.1.128/25", "A25-upper")
...> |> put("1.1.1.0/30", "A30")
...> |> put("1.1.2.0/24", "B24")
iex>
iex> less(ipt, "1.1.1.0/30")
[
  {"1.1.1.0/30", "A30"},
  {"1.1.1.0/25", "A25-lower"},
]
iex> less(ipt, "2.2.2.2")
[]