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Address concerns.

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This commit is contained in:
Jeroen van Rijn
2024-05-24 13:58:30 +02:00
parent c43d189a33
commit 11e57fd3fd
2 changed files with 6 additions and 5 deletions
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9
core/container/rbtree/rbtree.odin
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@@ -131,7 +131,7 @@ find_value :: proc(t: ^$T/Tree($Key, $Value), key: Key) -> (value: Value, ok: bo
// find_or_insert attempts to insert the value into the tree, and returns
// the node, a boolean indicating if the value was inserted, and the
// node allocator error if relevant. If the value is already present, the existing node is updated.
find_or_insert :: proc(t: ^$T/Tree($Key, $Value), key: Key, value: Value) -> (n: ^Node(Key, Value), inserted: bool) {
find_or_insert :: proc(t: ^$T/Tree($Key, $Value), key: Key, value: Value) -> (n: ^Node(Key, Value), inserted: bool, err: runtime.Allocator_Error) {
n_ptr := &t._root
for n_ptr^ != nil {
n = n_ptr^
@@ -145,11 +145,12 @@ find_or_insert :: proc(t: ^$T/Tree($Key, $Value), key: Key, value: Value) -> (n:
}
}
_parent := n
n = new_clone(Node(Key, Value){key=key, value=value, _parent=_parent, _color=.Red}, t._node_allocator) // or_return
n = new_clone(Node(Key, Value){key=key, value=value, _parent=_parent, _color=.Red}, t._node_allocator) or_return
n_ptr^ = n
insert_case1(t, n)
t._size += 1
return n, true
return n, true, nil
}
// remove removes a node or value from the tree, and returns true iff the
@@ -208,7 +209,7 @@ remove_node :: proc(t: ^$T/Tree($Key, $Value), node: ^$N/Node(Key, Value), call_
// iterator returns a tree iterator in the specified direction.
iterator :: proc "contextless" (t: ^$T/Tree($Key, $Value), direction: Direction) -> Iterator(Key, Value) {
it: Iterator(Key, Value)
it._tree = transmute(^Tree(Key, Value))t
it._tree = cast(^Tree(Key, Value))t
it._direction = direction
iterator_first(&it)

2
tests/core/container/test_core_rbtree.odin
View File

@@ -44,7 +44,7 @@ test_rbtree_integer :: proc(t: ^testing.T, $Key: typeid, $Value: typeid) {
v := Value(rand.uint32(&r))
existing_node, in_map := inserted_map[k]
n, inserted := rb.find_or_insert(&tree, k, v)
n, inserted, _ := rb.find_or_insert(&tree, k, v)
tc.expect(t, in_map != inserted, "insert: inserted should match inverse of map lookup")
if inserted {
inserted_map[k] = n