Struct MutationValidator 

pub struct MutationValidator;

Validates that graph mutations do not introduce cycles. Uses petgraph’s DFS-based cycle detection.

Implementations

impl MutationValidator

pub fn new() -> Self

pub fn validate( &self, graph: &DiGraph<NodeId, ()>, index_map: &HashMap<NodeId, NodeIndex>, mutation: &GraphMutation, ) -> Result<(), String>

Returns Ok(()) if mutation is safe, Err(reason) if it would create a cycle.

Trait Implementations

impl Default for MutationValidator

fn default() -> Self

Returns the “default value” for a type.