Contents

return function(s)
  local rows = {}

  for line in s:gmatch('[%d ]+') do
    local row = {}
    for element in line:gmatch('%d+') do
      table.insert(row, tonumber(element))
    end
    table.insert(rows, row)
  end

  return {
    row = function(which)
      return rows[which]
    end,

    column = function(which)
      local column = {}
      for _, row in ipairs(rows) do
        table.insert(column, row[which])
      end
      return column
    end
  }
end

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.179	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.178	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.177	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.176	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.175	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.174	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.173	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.172	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.171	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.170	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.169	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.167	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.166	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.165	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.164	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.163	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.162	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.161	tracks/lua/exercises/matrix/example.lua
trackler-2.2.1.160	tracks/lua/exercises/matrix/example.lua