AssemblyScript · dcodeIO · Mar 8, 2019 · Mar 8, 2019 · Mar 8, 2019 · Mar 8, 2019
diff --git a/cli/asc.js b/cli/asc.js
@@ -463,15 +463,13 @@ exports.main = function main(argv, options, callback) {
 
   var module;
   stats.compileCount++;
-  (() => {
-    try {
-      stats.compileTime += measure(() => {
-        module = assemblyscript.compileProgram(program, compilerOptions);
-      });
-    } catch (e) {
-      return callback(e);
-    }
-  })();
+  try {
+    stats.compileTime += measure(() => {
+      module = assemblyscript.compileProgram(program, compilerOptions);
+    });
+  } catch (e) {
+    return callback(e);
+  }
   if (checkDiagnostics(parser, stderr)) {
     if (module) module.dispose();
     return callback(Error("Compile error"));

diff --git a/examples/n-body/assembly/index.ts b/examples/n-body/assembly/index.ts
@@ -84,7 +84,7 @@ function Neptune(): Body {
 
 class NBodySystem {
 
-  constructor(public bodies: Body[]) {
+  constructor(public bodies: FixedArray<Body>) {
     var px: float = 0.0;
     var py: float = 0.0;
     var pz: float = 0.0;
@@ -96,7 +96,7 @@ class NBodySystem {
       py += b.vy * m;
       pz += b.vz * m;
     }
-    bodies[0].offsetMomentum(px, py, pz);
+    unchecked(bodies[0]).offsetMomentum(px, py, pz);
   }
 
   advance(dt: float): void {
@@ -186,13 +186,15 @@ class NBodySystem {
 var system: NBodySystem;
 
 export function init(): void {
-  system = new NBodySystem([
-    Sun(),
-    Jupiter(),
-    Saturn(),
-    Uranus(),
-    Neptune()
-  ]);
+  var bodies = new FixedArray<Body>(5);
+  unchecked((
+    bodies[0] = Sun(),
+    bodies[1] = Jupiter(),
+    bodies[2] = Saturn(),
+    bodies[3] = Uranus(),
+    bodies[4] = Neptune()
+  ));
+  system = new NBodySystem(bodies);
 }
 
 export function step(): float {
@@ -206,5 +208,5 @@ export function bench(steps: u32): void {
 
 export function getBody(index: i32): Body | null {
   var bodies = system.bodies;
-  return <u32>index < <u32>bodies.length ? bodies[index] : null;
+  return <u32>index < <u32>bodies.length ? unchecked(bodies[index]) : null;
 }