maxexample.nim

var xs: seq[tuple[nr: int, name: string]] = @[(1, "foo"), (2, "bar"), (3, "foobar"), (0, "baz")]

# Imperatively:
var max = xs[0]
for i in 1 .. xs.high:
  if xs[i].nr > max.nr:
    max = xs[i]
echo max

# Functionally:
import sequtils
echo xs.foldl(if a.nr > b.nr: a else: b)