elixir-book/maps/access3.exs

16 lines
332 B
Elixir

cast = %{
buttercup: %{
actor: {"Robin", "Wright"},
role: "princess"
},
westley: %{
actor: {"Carey", "Elwes"},
role: "farm boy"
}
}
IO.inspect get_in(cast, [Access.key(:westley), :actor, Access.elem(1)])
IO.inspect get_and_update_in(cast, [Access.key(:buttercup), :role],
fn (val) -> {val, "Queen"} end)