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| author | Kaz Kylheku <kaz@kylheku.com> | 2021-05-09 17:45:55 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2021-05-09 17:45:55 -0700 |
| commit | 96715da165569922e1efa584eb0ce4f4d272c46d (patch) | |
| tree | 08e2b19c2c2a9637d2f70785c5a6a3a47de365d3 /tests/010/tree.tl | |
| parent | 8a7a4963a6cdf0a0d8b7145aefb4a40f5f26c673 (diff) | |
| download | txr-96715da165569922e1efa584eb0ce4f4d272c46d.tar.gz txr-96715da165569922e1efa584eb0ce4f4d272c46d.tar.bz2 txr-96715da165569922e1efa584eb0ce4f4d272c46d.zip | |
tree: new tree-peek function.
* tree.c (tn_peek_next): New static function.
(tree_peek): New function.
(tree_init): Register tree-peek intrinsic.
* tree.h (tree_peek): Declared.
* txr.1: Documented.
* tests/010/tree.c: Work tree-peek into existing test case.
* share/txr/stdlib/doc-syms.tl: Updated.
Diffstat (limited to 'tests/010/tree.tl')
| -rw-r--r-- | tests/010/tree.tl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/010/tree.tl b/tests/010/tree.tl index 6a1d4aa1..86a21167 100644 --- a/tests/010/tree.tl +++ b/tests/010/tree.tl @@ -48,6 +48,14 @@ (add (key n)))) (range 0 19)) +(vtest (build (for* ((j (tree-begin tr)) + (i (progn (tree-next j) (tree-next j) (tree-reset j tr))) + (n (tree-peek i))) + ((and n (eq (tree-next i) n))) + ((set n (tree-peek i))) + (add (key n)))) + (range 0 19)) + (defvarl trc (copy-search-tree tr)) (vtest trc tr) |