style(xsnap): arrow function, explicit {}

Co-authored-by: Mark S. Miller <erights@users.noreply.github.com>

packages/xsnap/lib/console-shim.js

@@ -5,10 +5,11 @@
 // implemented using assert.quote from SES.
 let quote = _v => '[?]';
 
-function tryPrint(...args) {
+const printAll = (...args) => {
+  // xsnap print() is not known to eslint
   // eslint-disable-next-line
   print(...args.map(v => typeof v === 'string' ? v : quote(v)));
-}
+};
 
 const noop = _ => {};
 
@@ -21,11 +22,11 @@ const noop = _ => {};
  * See https://github.com/Agoric/agoric-sdk/issues/2146
  */
 const console = {
-  debug: tryPrint,
-  log: tryPrint,
-  info: tryPrint,
-  warn: tryPrint,
-  error: tryPrint,
+  debug: printAll,
+  log: printAll,
+  info: printAll,
+  warn: printAll,
+  error: printAll,
 
   trace: noop,
   dirxml: noop,
@@ -52,7 +53,9 @@ const console = {
 let quoteSet = false;
 
 export function setQuote(f) {
-  if (quoteSet) throw TypeError('quote already set');
+  if (quoteSet) {
+    throw TypeError('quote already set');
+  }
   quote = f;
   quoteSet = true;
 }