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Advent of code helper - automating setup of tests, solution template and problem input

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adglent src priv template.gleam
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src/priv/template.gleam 

import gleam/list

import gleam/string



pub fn render(

  template: String,

  substitutions: List(#(String, String)),

) -> String {

  substitutions

  |> list.fold(

    template,

    fn(template, substitution) {

      let #(name, value) = substitution

      template

      |> string.replace("{{ " <> name <> " }}", value)

    },

  )

  |> string.trim

}