From a8e153d90d291d985ff7fa0a56634b32719b90ad Mon Sep 17 00:00:00 2001
From: Pedro Fontana <fontana.pedro93@gmail.com>
Date: Wed, 31 May 2023 13:03:19 -0300
Subject: [PATCH] Add Program.builtins_len() method (#1194)

* Add Program.builtins_len() method

* Update CHANGELOG.md
---
 CHANGELOG.md         | 2 ++
 src/types/program.rs | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 49f3e07dec..e6caa98552 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 ## Cairo-VM Changelog
 
 #### Upcoming Changes
+* Add `Program::builtins_len method` [#1194](https://github.com/lambdaclass/cairo-rs/pull/1194)
+
 * fix: Handle the deserialization of serde_json::Number with scientific notation (e.g.: Number(1e27)) in felt_from_number function [#1188](https://github.com/lambdaclass/cairo-rs/pull/1188)
 
 * bugfix: Use cairo constants in `ASSERT_250_BIT` hint [#1187](https://github.com/lambdaclass/cairo-rs/pull/1187)
diff --git a/src/types/program.rs b/src/types/program.rs
index a9677e4259..8bb7ffdf87 100644
--- a/src/types/program.rs
+++ b/src/types/program.rs
@@ -125,6 +125,10 @@ impl Program {
         self.shared_program_data.data.len()
     }
 
+    pub fn builtins_len(&self) -> usize {
+        self.builtins.len()
+    }
+
     pub fn get_identifier(&self, id: &str) -> Option<&Identifier> {
         self.shared_program_data.identifiers.get(id)
     }
@@ -351,6 +355,8 @@ mod tests {
             program.iter_builtins().cloned().collect::<Vec<_>>(),
             builtins
         );
+
+        assert_eq!(program.builtins_len(), 2);
     }
 
     #[test]