Struct FragmentGraph 

pub struct FragmentGraph { /* private fields */ }

Fragment dependency graph and cycle detection

Implementations

impl FragmentGraph

pub fn new(query: &ParsedQuery) -> Self

Create a new fragment graph from parsed query

pub fn detect_cycles(&self) -> Result<(), Vec<String>>

Detect cycles in fragment dependencies using DFS

Returns Ok(()) if no cycles found, Err(cycle_path) if cycle detected

Errors

Returns an error with the cycle path if:

• A circular fragment dependency is detected
• A fragment references itself directly or indirectly

pub fn validate_fragments(&self) -> Result<(), String>

Validate all fragments in the query

Errors

Returns an error if:

• Fragment cycle is detected (with formatted cycle path in error message)

Trait Implementations

impl Debug for FragmentGraph

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

Formats the value using the given formatter.