19 lines
388 B
Elixir
19 lines
388 B
Elixir
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defmodule AdventOfCode.PuzzleSolver do
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@moduledoc """
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Behaviour for a puzzle solution.
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"""
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@doc """
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Given the input as a stream, return the solution as a string
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"""
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@callback solve(Enumerable.t()) :: String.t()
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def solve(mod, stream), do: apply(mod, :solve, [stream])
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defmacro __using__(_) do
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quote do
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@behaviour AdventOfCode.PuzzleSolver
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end
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end
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end
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