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ea8b7c2d15
* Add support for scanning smart cell evaluation result * Don't allow moving an evaluating cell across sections * Use consistent naming
22 lines
838 B
Elixir
22 lines
838 B
Elixir
defmodule Livebook.Runtime.Evaluator.Formatter do
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@moduledoc false
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# Behaviour defining how evaluation results are transformed.
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#
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# The evaluation result is sent to the client as a message and it
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# may potentially be huge. If the client eventually converts the
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# result into some smaller representation, we would unnecessarily
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# send a lot of data. By defining a custom formatter the client can
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# instruct the `Evaluator` to send already transformed data.
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#
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# Additionally, if the results rely on external package installed
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# in the runtime node, then formatting anywhere else wouldn't be
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# accurate, for example using `inspect` on an external struct.
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alias Livebook.Runtime.Evaluator
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@doc """
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Transforms the evaluation result.
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"""
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@callback format_result(Evaluator.evaluation_result()) :: term()
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end
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