30 lines
751 B
Elixir
30 lines
751 B
Elixir
defmodule AOC.Prelude do
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@moduledoc """
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Commonly used functions
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"""
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@doc """
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Splits a String input into lists of lines.
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Excludes any leading or trailing lines from the output list.
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"""
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@spec lines(String.t()) :: [String.t()]
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def lines(str) do
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String.split(str, "\n", trim: true)
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end
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@doc """
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Takes a string containing multiple integers and returns a list of the parsed
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integers.
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The input is split on the given seperator. A single space is used if none is
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provided.
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"""
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@spec ints(String.t()) :: [integer()]
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@spec ints(String.t(), separator :: String.t()) :: [integer()]
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def ints(str, separator \\ " ") do
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str
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|> String.split(separator, trim: true)
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|> Enum.map(&String.to_integer/1)
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end
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end
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