Let WebAssembly's exported function support more data types for its parameters and return values.
Export Rust things to host program.
use wasmedge_bindgen::*;
use wasmedge_bindgen_macro::*;
// Export a `say` function from Rust, that returns a hello message.
#[wasmedge_bindgen]
pub fn say(s: String) -> String {
let r = String::from("hello ");
return r + s.as_str();
}Use exported Rust things from WasmEdge-go!
import (
"github.com/second-state/WasmEdge-go/wasmedge"
bindgen "github.com/second-state/wasmedge-bindgen/host/go"
)
func main() {
.
.
.
// Instantiate the bindgen and vm
bg := bindgen.Instantiate(vm)
/// say: string -> string
res, _ := bg.Execute("say", "wasmedge-bindgen")
fmt.Println("Run bindgen -- say:", res[0].(string))
}Find all the data types you can use!
You can find how to call the exported function from go host here.
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