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brweber2/custom_sigil.ex

Created September 25, 2015 13:28
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Custom Sigil with pattern matching...
Raw
custom_sigil.ex
def magic(nbr) do
a = ~x(a1b2c3d4)
b = ~x(d4c3b2a1)
c = ~x(a1b23c4d)
d = ~x(4d3cb2a1)
case nbr do
^a -> %Pcap.Global.MagicNumber{ magic_number: nbr, swap_fields: false, nanoseconds: false }
^b -> %Pcap.Global.MagicNumber{ magic_number: nbr, swap_fields: true, nanoseconds: false }
^c -> %Pcap.Global.MagicNumber{ magic_number: nbr, swap_fields: false, nanoseconds: true }
^d -> %Pcap.Global.MagicNumber{ magic_number: nbr, swap_fields: true, nanoseconds: true }
end
end
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