Gleam

Tags: concurrent, functional, product types, sum types

Related tools:

import gleam/io
import gleam/list
import gleam/string
import gleam/yielder
import stdin

pub fn main() {
  // Print stdin, uppercased, to stdout
  stdin.read_lines()
  |> yielder.to_list
  |> list.map(string.uppercase)
  |> list.each(io.println)
}

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