Created
September 24, 2016 19:03
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Mapping map keys from one to the other ...
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defmodule Mapper do | |
def map(from, mapping) do | |
find_keys = Map.keys(mapping) | |
result = Map.new(find_keys, fn(key) -> | |
new_key = Map.get(mapping, key) || key | |
{ new_key, Map.get(from, key) } | |
end) | |
Map.drop(from, find_keys) |> Map.merge(result) | |
end | |
end | |
start = %{ achievementPoints: 1000, lastModified: 1231231, testing: 123 } | |
mapping = %{ achievementPoints: :achievement_points, lastModified: :last_modified } | |
# result = %{achievement_points: 1000, last_modified: 1231231, testing: 123} | |
result = Mapper.map(start, mapping) | |
IO.puts("start = #{inspect(start)}") | |
IO.puts("result = #{inspect(result)}") |
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