View Source Antikythera.NestedMap (antikythera v0.5.1)

Utility functions to work with nested maps.

Summary

Functions

deep_merge(m1, m2)
force_update(m, keys, fun)
update_existing_in(m, keys, fun)

Updates a key in a nested map. Recursively traversing the map according to the given keys to the last member. If the last member exists, update it with the given function. Unlike Kernel.update_in/3, returns :error if any of the keys cannot be found.

Functions

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deep_merge(m1, m2)

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@spec deep_merge(map(), map()) :: map()
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force_update(m, keys, fun)

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@spec force_update(map(), [any()], (any() -> any())) :: map()
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update_existing_in(m, keys, fun)

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@spec update_existing_in(map(), [any()], (any() -> any())) :: {:ok, map()} | :error

Updates a key in a nested map. Recursively traversing the map according to the given keys to the last member. If the last member exists, update it with the given function. Unlike Kernel.update_in/3, returns :error if any of the keys cannot be found.