From 8403cc3411477eabfed49a5701e824eb4528d101 Mon Sep 17 00:00:00 2001
From: Elichai Turkel <elichai.turkel@gmail.com>
Date: Thu, 28 Feb 2019 18:19:04 +0200
Subject: [PATCH] Add a check if NotStartedModuleRef has a start function
 (#173)

* Add a check if NotStartedModuleRef has a start function

* Removed redundant doc comment

Co-Authored-By: elichai <elichai.turkel@gmail.com>
---
 src/module.rs | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/module.rs b/src/module.rs
index eff2151..8222e42 100644
--- a/src/module.rs
+++ b/src/module.rs
@@ -714,6 +714,13 @@ impl<'a> NotStartedModuleRef<'a> {
         }
         self.instance
     }
+
+    /// Whether or not the module has a `start` function.
+    ///
+    /// Returns `true` if it has a `start` function.
+    pub fn has_start(&self) -> bool {
+        self.loaded_module.module().start_section().is_some()
+    }
 }
 
 fn eval_init_expr(init_expr: &InitExpr, module: &ModuleInstance) -> RuntimeValue {
@@ -793,9 +800,9 @@ mod tests {
 				(start $f))
 			"#,
         );
-        ModuleInstance::new(&module_with_start, &ImportsBuilder::default())
-            .unwrap()
-            .assert_no_start();
+        let module = ModuleInstance::new(&module_with_start, &ImportsBuilder::default()).unwrap();
+        assert!(!module.has_start());
+        module.assert_no_start();
     }
 
     #[test]