Specs

member?(prefix(), prefix()) :: boolean()

Returns true is prefix pfx1 is a member of prefix pfx2

If either prfx1 or pfx2 is invalid or they are of different types, member? simply returns false.

Examples

iex> member?("10.10.10.10", "10.0.0.0/8")
true

iex> member?({10, 10, 10, 10}, "10.0.0.0/8")
true

iex> member?({{10, 10, 10, 10}, 24}, "10.0.0.0/8")
true

iex> member?({{11, 0, 0, 0}, 8}, {{10, 0, 0, 0}, 8})
false

iex> member?(%Pfx{bits: <<10, 10, 10, 10>>, maxlen: 32}, %Pfx{bits: <<10>>, maxlen: 32})
true

# bad prefix
iex> member?("10.10.10.10", "10.10.10.256/24")
false

# different types
iex> member?("10.10.10.10", "acdc::/32")
false