feat: add more examples, work on new public api

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

1 files changed, 17 insertions, 0 deletions

diff --git a/examples/rust/src/fibonacci.rs b/examples/rust/src/fibonacci.rs
new file mode 100644
index 0000000..7493132
--- /dev/null
+++ b/examples/rust/src/fibonacci.rs
@@ -0,0 +1,17 @@
+#![no_std]
+#![no_main]
+
+#[cfg(not(test))]
+#[panic_handler]
+fn panic(_info: &core::panic::PanicInfo) -> ! {
+    core::arch::wasm32::unreachable()
+}
+
+#[no_mangle]
+// The rust compiler will convert this to an iterative algorithm.
+pub extern "C" fn fibonacci(n: i32) -> i32 {
+    if n <= 1 {
+        return n;
+    }
+    fibonacci(n - 1) + fibonacci(n - 2)
+}