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noelworden/week_july6_map_replace_error.ex

Last active July 17, 2020 23:37
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week_july6_map_replace_error.ex
iex> Map.replace!(example_map, :delta, "five")
** (KeyError) key :delta not found in: %{alpha: "one", bravo: "two", charlie: "three"}
(stdlib 3.12.1) :maps.update(:delta, "five", %{alpha: "one", bravo: "two", charlie: "three"})
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