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Make the node type inside the ContextTree generic but the implementation still explicitly uses dyn OrgModeContext.

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This commit is contained in:
Tom Alexander 2022-11-26 21:07:56 -05:00
parent e888c0e66f
commit f645b0cb75
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 7 additions and 4 deletions
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11
src/parser/new_context.rs
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@ -30,17 +30,20 @@ struct Node<'r, T: 'r + ?Sized> {
parent: Link<'r, T>, parent: Link<'r, T>,
} }
struct ContextTree<'r> { struct ContextTree<'r, T: 'r + ?Sized> {
// Not using Link so the ContextTree can own this node // Not using Link so the ContextTree can own this node
head: Option<Node<'r, dyn OrgModeContext<'r>>>, head: Option<Node<'r, T>>,
} }
impl<'r> ContextTree<'r> { impl<'r> ContextTree<'r, dyn OrgModeContext<'r>> {
pub fn new() -> Self { pub fn new() -> Self {
ContextTree { head: None } ContextTree { head: None }
} }
pub fn with_additional_node(&'r self, new_elem: &'r dyn OrgModeContext<'r>) -> ContextTree<'r> { pub fn with_additional_node(
&'r self,
new_elem: &'r dyn OrgModeContext<'r>,
) -> ContextTree<'r, dyn OrgModeContext<'r>> {
let new_node = Node { let new_node = Node {
elem: new_elem, elem: new_elem,
parent: self.head.as_ref(), parent: self.head.as_ref(),