text: const sum = async d => {
      const code = d.command.code
  
      const inside = d.unpack()
  	const err = d.inside(inside)
  
  	if (err) return d.error(err)
  
      const fields = inside.splits
  
      if (fields.some(n => isNaN(Number(n)))) return d.error(`\`${d.func}: Invalid number in ${inside}\``)
  
      const n = fields.reduce((x, y) => Number(x) + Number(y))
  
      return {
          code: code.replaceLast(`$sum${inside}`, n)
      }
  }
  
  module.exports = sum