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Diffstat (limited to 'tests/generics/tbintree.nim')
| -rw-r--r-- | tests/generics/tbintree.nim | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tests/generics/tbintree.nim b/tests/generics/tbintree.nim index a1a13c7b5..83f14406b 100644 --- a/tests/generics/tbintree.nim +++ b/tests/generics/tbintree.nim @@ -55,8 +55,8 @@ proc find*[Ty2](b: PBinaryTree[Ty2], data: Ty2): bool = iterator preorder*[T](root: PBinaryTree[T]): T = # Preorder traversal of a binary tree. - # Since recursive iterators are not yet implemented, - # this uses an explicit stack: + # This uses an explicit stack (which is more efficient than + # a recursive iterator factory). var stack: seq[PBinaryTree[T]] = @[root] while stack.len > 0: var n = stack.pop() |