# Sample Nim program — samplefiles.com
import std/strformat

type Customer = object
  id: int
  name: string
  balance: float

proc isVip(c: Customer): bool = c.balance >= 10_000.0

proc totalBalance(customers: openArray[Customer]): float =
  for c in customers:
    result += c.balance

let customers = [
  Customer(id: 1, name: "Ada", balance: 12_500.0),
  Customer(id: 2, name: "Grace", balance: 830.5),
  Customer(id: 3, name: "Linus", balance: 10_000.0),
]

for c in customers:
  let tag = if c.isVip: "VIP" else: ""
  echo &"{c.name:<6} {c.balance:>10.2f} {tag}"
echo &"Total: {totalBalance(customers):.2f}"