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% from my unit tests
foo = 10
assert 10 == my_macro(:foo)
assert 10 == my_macro("foo")
% macro
defmacro my_macro(some_var) when is_atom(some_var) do
quote do
var!(unquote(some_var))
end
end
defmacro my_macro(some_var) when is_binary(some_var) do
quote do
var!(unquote(binary_to_atom(some_var)))
end
end
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