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24 lines
No EOL
515 B
Elixir
24 lines
No EOL
515 B
Elixir
defmodule Search.IntParser do
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import NimbleParsec
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import Search.Helpers
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fuzz =
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string("~")
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|> ignore()
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int =
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optional(ascii_char('-+'))
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|> ascii_string([?0..?9], min: 1)
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|> reduce({List, :to_string, []})
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|> reduce(:to_int)
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int_parser =
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choice([
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int |> concat(fuzz) |> integer(min: 1) |> reduce(:range) |> unwrap_and_tag(:int_range),
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int |> unwrap_and_tag(:int)
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])
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|> eos()
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|> label("an integer, like `3' or `-10'")
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defparsec :parse, int_parser
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end |