Created
November 6, 2015 12:46
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defmodule LlCatStore do | |
def loop(cats) do | |
receive do | |
{:add, cat} -> | |
IO.puts "adding cat #{cat}" | |
loop([cat | cats]) | |
{:remove, cat} -> | |
IO.puts "removing cat #{cat}" | |
loop(remove_cat(cat, cats)) | |
{:list} -> | |
Enum.each(cats, fn(c) -> IO.puts("Cat: #{c}") end) | |
loop(cats) | |
end | |
end | |
def remove_cat(cat, current_cats) do | |
case cat in current_cats do | |
true -> | |
List.delete(current_cats, cat) | |
false -> | |
current_cats | |
end | |
end | |
def start() do | |
spawn(fn -> loop(["BigglesWorth"]) end) | |
end | |
end | |
#iex(1)> foo = LlCatStore.start | |
##PID<0.94.0> | |
#iex(2)> send(foo, {:add, "Fuzzy"}) | |
#adding cat Fuzzy | |
#{:add, "Fuzzy"} | |
#iex(3)> send(foo, {:add, "LuLu"}) | |
#adding cat LuLu | |
#{:add, "LuLu"} | |
#iex(4)> send(foo, {:add, "JohnnyQuest"}) | |
#adding cat JohnnyQuest | |
#{:add, "JohnnyQuest"} | |
#iex(5)> send(foo, {:remove, "JohnnyQuest"}) | |
#removing cat JohnnyQuest | |
#{:remove, "JohnnyQuest"} | |
#iex(6)> send(foo, {:list}) | |
#Cat: LuLu | |
#Cat: Fuzzy | |
#Cat: BigglesWorth | |
#{:list} |
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