Concept[Concept[T]] error
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type
Iterable[T] = concept x
for v in x:
type(v) is T
proc map2[T, U](itit: Iterable[Iterable[T]], f: proc(_: T): U): seq[U] =
result = @[]
for it in itit:
for v in it:
result.add(f(v))
echo map2(@[@[1, 2, 3], @[4, 5, 6]], proc (x: int): int = x + 1)
Nim
INFO