Struct TreeNode 

pub struct TreeNode {
    pub label: String,
    pub value: Option<String>,
    pub children: Vec<TreeNode>,
}

A node in the query tree.

Fields

label: String

The label for this node (e.g., “WHERE”, “ORDER BY”)

value: Option<String>

The value or description

children: Vec<TreeNode>

Child nodes

Implementations

impl TreeNode

pub fn new(label: impl Into<String>) -> Self

Create a new tree node with a label.

pub fn with_value(label: impl Into<String>, value: impl Into<String>) -> Self

Create a new tree node with label and value.

pub fn add_child(self, child: TreeNode) -> Self

Add a child node.

pub fn add_items( self, items: impl IntoIterator<Item = impl Into<String>>, ) -> Self

Add multiple children from strings.

Trait Implementations

impl Clone for TreeNode

fn clone(&self) -> TreeNode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TreeNode

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

Formats the value using the given formatter.