diff options
| -rw-r--r-- | src/document_tree/element_categories.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/document_tree/element_categories.rs b/src/document_tree/element_categories.rs index 17bc01a..d8024ad 100644 --- a/src/document_tree/element_categories.rs +++ b/src/document_tree/element_categories.rs @@ -6,6 +6,13 @@ pub trait HasChildren<C> { fn append_child<R: Into<C>>(&mut self, child: R) { self.children_mut().push(child.into()); } + fn append_children<R: Into<C> + Clone>(&mut self, more: &[R]) { + let mut children = self.children_mut(); + children.reserve(more.len()); + for child in more { + children.push(child.clone().into()); + } + } } macro_rules! synonymous_enum {( $name:ident { $( $entry:ident ),* } ) => ( |