Files
Nim/tests/iter/tmoditer.nim
2014-01-13 02:10:03 +01:00

30 lines
455 B
Nim

discard """
output: "XXXXX01234"
"""
iterator modPairs(a: var array[0..4,string]): tuple[key: int, val: var string] =
for i in 0..a.high:
yield (i, a[i])
iterator modItems*[T](a: var array[0..4,T]): var T =
for i in 0..a.high:
yield a[i]
var
arr = ["a", "b", "c", "d", "e"]
for a in modItems(arr):
a = "X"
for a in items(arr):
stdout.write(a)
for i, a in modPairs(arr):
a = $i
for a in items(arr):
stdout.write(a)
echo ""