From 1c2a7c29b6779ce81b927878ab458e86836fb57f Mon Sep 17 00:00:00 2001
From: Raynel Sanchez <87539502+raynelfss@users.noreply.github.com>
Date: Thu, 11 Jul 2024 19:21:38 -0400
Subject: [PATCH] Add: `iter()` method to `CircuitData` - Make
 `PackedInstruction` public.

---
 crates/circuit/src/circuit_data.rs        | 7 ++++++-
 crates/circuit/src/circuit_instruction.rs | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/crates/circuit/src/circuit_data.rs b/crates/circuit/src/circuit_data.rs
index 501645415874..f9edb608fbb2 100644
--- a/crates/circuit/src/circuit_data.rs
+++ b/crates/circuit/src/circuit_data.rs
@@ -1167,4 +1167,9 @@ impl CircuitData {
             py_op: RefCell::new(inst.py_op.clone()),
         })
     }
-}
+
+    /// Rust native method, returns an iterator over all the instructions present in the circuit.
+    pub fn iter<'a>(&'a self) -> impl Iterator<Item = &PackedInstruction> + 'a {
+        self.data.iter()
+    }
+}
\ No newline at end of file
diff --git a/crates/circuit/src/circuit_instruction.rs b/crates/circuit/src/circuit_instruction.rs
index 501105f9f17e..ecb7a1623a20 100644
--- a/crates/circuit/src/circuit_instruction.rs
+++ b/crates/circuit/src/circuit_instruction.rs
@@ -44,7 +44,7 @@ pub struct ExtraInstructionAttributes {
 
 /// Private type used to store instructions with interned arg lists.
 #[derive(Clone, Debug)]
-pub(crate) struct PackedInstruction {
+pub struct PackedInstruction {
     /// The Python-side operation instance.
     pub op: OperationType,
     /// The index under which the interner has stored `qubits`.