proc plus(x, y: int): int = x + y
proc multi(x, y: int): int = x * y

let a = 2
let b = 3
let c = 4

echo a.plus(b) == plus(a, b)       # True
echo c.multi(a) == multi(c, a)     # True

# Verketteter Aufruf
echo a.plus(b).multi(c)  # (2 + 3) * 4 = 20

# Alternativ
echo multi((a.plus(b)), c)  # (2 + 3) * 4 = 20


proc findBiggest(a: seq[int]): int =  
  # result = 0
  for number in a:
    if number > result:
      result = number
  # Ende der proc                  

let d = @[3, -5, 11, 33, 7, -15]
echo findBiggest(d)

proc toString(x: int): string =
  result = if x < 0: "negativ"
           elif x > 0: "positiv"
           else: "Null"

proc toString(x: bool): string =
  result = if x: "ja" else: " ein"

echo toString(13)   # "positiv"
echo toString(true) # "ja"