fix: fix build, improve error handling

Signed-off-by: Henry Gressmann <mail@henrygressmann.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/examples/rust/src/fibonacci.rs b/examples/rust/src/fibonacci.rs
index b847ad5..ec4a371 100644
--- a/examples/rust/src/fibonacci.rs
+++ b/examples/rust/src/fibonacci.rs
@@ -1,6 +1,6 @@
 #![no_main]
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub extern "C" fn fibonacci(n: i32) -> i32 {
     let mut sum = 0;
     let mut last = 0;
@@ -13,7 +13,7 @@ pub extern "C" fn fibonacci(n: i32) -> i32 {
     sum
 }
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub extern "C" fn fibonacci_recursive(n: i32) -> i32 {
     if n <= 1 {
         return n;