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- defmodule Math do
- def add(a \ 2, b) do
- a + b
- end
- end
- defmodule Math do
- def add(a \ 2, b) do
- a + b
- end
- end
- iex (1)> c("math.ex")
- iex (2)> Math.add(1, 8) # add/2, pois estamos fazendo o match de 1 com `a`
- 9
- iex (3)> Math.add(8) # add/1, pois `a` está com match padrão a 2.
- 10
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