Load and run wasm in go with wasmer

gowasm.go

package main

/*
$ cat helloworld.ts 
export function add(a: i32, b: i32): i32 {
    return a + b;
}

$ npm install -g assemblyscript
$ asc helloworld.ts -o hello-world.wasm
$ go run main.go

*/

import (
	"fmt"
	"io/ioutil"

	wasmer "github.com/wasmerio/wasmer-go/wasmer"
)

func main() {
  // use TEE attestation token here to download `hello-world.wasm`
	wasmBytes, err := ioutil.ReadFile("hello-world.wasm")
	if err != nil {
		panic(err)
	}
	engine := wasmer.NewEngine()
	store := wasmer.NewStore(engine)

	// Compiles the module
	module, err := wasmer.NewModule(store, wasmBytes)
	if err != nil {
		panic(err)
	}
	// Instantiates the module
	importObject := wasmer.NewImportObject()
	instance, err := wasmer.NewInstance(module, importObject)
	if err != nil {
		panic(err)
	}
	// Gets the `add` exported function from the WebAssembly instance.
	add, err := instance.Exports.GetFunction("add")
	if err != nil {
		panic(err)
	}
	// Calls that exported function with Go standard values. The WebAssembly
	// types are inferred and values are casted automatically.
	result, err := add(1, 5)
	if err != nil {
		panic(err)
	}
	fmt.Println(result)
}