Enum Change 

pub enum Change {
    Delete {
        parent_id: GenericNodeId,
        child_id: GenericNodeId,
    },
    Add {
        parent_id: GenericNodeId,
        child: Uninit<AnyNode>,
        tag: ChildTag,
    },
    Replace {
        from_id: GenericNodeId,
        to: Uninit<AnyNode>,
    },
    DeleteSelf {
        node_id: GenericNodeId,
    },
}

Represents a modification of AST

Variants

Delete

Child removed

Fields

parent_id: GenericNodeId

child_id: GenericNodeId

Add

Child added

Fields

parent_id: GenericNodeId

child: Uninit<AnyNode>

tag: ChildTag

Replace

Replace itself with other node

Fields

from_id: GenericNodeId

to: Uninit<AnyNode>

DeleteSelf

Delete itself from ast hierarchy

Fields

node_id: GenericNodeId

Implementations

impl Change

pub fn delete<T: Into<AnyNode>>(id: NodeId<T>) -> Change

pub fn add<T, U, const TAG: ChildTag>( to: NodeId<T>, element: Uninit<U>, ) -> Change

where T: Into<AnyNode> + HasChildrenMarker<U, TAG>, U: Into<AnyNode>,

pub fn replace<T: Into<AnyNode>>( node: NodeId<AnyNode>, with: Uninit<T>, ) -> Change