feature: expose authorizer runtime values

- execution time
- number of iterations
- number of facts

biscuit-auth/src/token/authorizer.rs

@@ -625,6 +625,21 @@ impl Authorizer {
  self.add_policy("deny if true")
  }
 
+ /// returns the elapsed execution time
+ pub fn execution_time(&self) -> Duration {
+ self.execution_time
+ }
+
+ /// returns the number of fact generation iterations
+ pub fn iterations(&self) -> u64 {
+ self.world.iterations
+ }
+
+ /// returns the number of facts
+ pub fn fact_count(&self) -> usize {
+ self.world.facts.len()
+ }
+
  /// verifies the checks and policies
  ///
  /// on error, this can return a list of all the failed checks or deny policy