Show ASCII table

# title: Show ASCII table
# source: https://rosettacode.org/wiki/Show_ASCII_table
# category: Rosetta Code
# difficulty: Intro
# summary: Return a compact slice of ASCII rows with code, character, and ordinal data.
# tags: popular, strings, tables, ascii
# vibe: 0.2

def sample_characters
  [" ", "!", "\"", "#", "$", "%", "&", "'", "(", ")", "*", "+"]
end

def build_rows
  rows = []
  characters = sample_characters
  index = 0

  while index < characters.size
    symbol = characters[index]
    rows = rows + [{
      code: symbol.ord,
      character: symbol,
      printable: symbol != " "
    }]
    index = index + 1
  end

  rows
end

def run
  build_rows
end