feat: add more examples, work on new public api

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

2 files changed, 18 insertions, 1 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)
+}
diff --git a/examples/rust/src/tinywasm.rs b/examples/rust/src/tinywasm.rs
index 0f18ab9..0fb9261 100644
--- a/examples/rust/src/tinywasm.rs
+++ b/examples/rust/src/tinywasm.rs
@@ -26,7 +26,7 @@ fn run() -> tinywasm::Result<()> {
     )?;
     let instance = module.instantiate(&mut store, Some(imports))?;
 
-    let add_and_print = instance.typed_func::<(i32, i32), ()>(&mut store, "add_and_print")?;
+    let add_and_print = instance.exported_func::<(i32, i32), ()>(&mut store, "add_and_print")?;
     add_and_print.call(&mut store, (1, 2))?;
     Ok(())
 }