chore: minor cleanup

Author: sureshg

backend/jvm/src/main/kotlin/dev/suresh/wasm/Wasm.kt

@@ -3,7 +3,6 @@ package dev.suresh.wasm
 import com.dylibso.chicory.experimental.aot.AotMachine
 import com.dylibso.chicory.runtime.HostFunction
 import com.dylibso.chicory.runtime.Instance
-import com.dylibso.chicory.wasm.Module
 import com.dylibso.chicory.wasm.Parser
 import com.dylibso.chicory.wasm.types.ValueType
 import io.ktor.server.response.respondText
@@ -14,18 +13,19 @@ import io.ktor.server.routing.*
  * - [wasm-corpus](https://github.com/dylibso/chicory/tree/main/wasm-corpus/src/main/resources/compiled)
  * - [extism](https://github.com/extism/plugins/releases)
  */
-val factWasmMod: Module by lazy {
+val factWasmInst: Instance by lazy {
   val wasmRes = Thread.currentThread().contextClassLoader.getResourceAsStream("wasm/factorial.wasm")
   // val wasmRes = object {}.javaClass.getResourceAsStream("wasm/factorial.wasm")
-  Parser.parse(wasmRes)
+  val wasmMod = Parser.parse(wasmRes)
+  Instance.builder(wasmMod).withMachineFactory(::AotMachine).build()
 }
 
 fun Routing.wasm() {
   route("/wasm") {
     get("fact") {
       val num = call.parameters["num"]?.toLongOrNull() ?: 5
-      val inst = Instance.builder(factWasmMod).withMachineFactory(::AotMachine).build()
-      val iterFact = inst.export("iterFact")
+
+      val iterFact = factWasmInst.export("iterFact")
       val fact = iterFact.apply(num)[0]
 
       call.respondText("WASM: Factorial($num): $fact")