Struct TreeNodeExt 

pub struct TreeNodeExt {
    pub kind: SimpleNodeKindExt,
    pub label: String,
    pub children: Vec<TreeNodeExt>,
}

A generic tree node for testing AST operations.

Fields

kind: SimpleNodeKindExt

Kind of this node

label: String

Label or identifier

children: Vec<TreeNodeExt>

Children of this node

Implementations

impl TreeNodeExt

pub fn leaf(label: &str) -> Self

Create a leaf node.

pub fn app(func: TreeNodeExt, arg: TreeNodeExt) -> Self

Create an app node with two children.

pub fn lam(binder: &str, body: TreeNodeExt) -> Self

Create a lam node.

pub fn depth(&self) -> usize

Returns the depth of this tree.

pub fn size(&self) -> usize

Returns the total number of nodes.

pub fn visit<V: AstNodeVisitorExt>(&self, visitor: &mut V, depth: usize)

Visit all nodes with a visitor.

Trait Implementations

impl Clone for TreeNodeExt

fn clone(&self) -> TreeNodeExt

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TreeNodeExt

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.