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docs/requestors.md

@@ -12,7 +12,7 @@ Requestors are functions that encapsulate asynchronous work. They provide a stru
 A requestor is a function with this signature:
 
 ```javascript
-function my_requestor(callback, value) {
+var my_requestor = function(callback, value) {
   // Do async work, then call callback with result
   // Return a cancel function
 }
@@ -29,13 +29,13 @@ The cancel function, when called, should abort the in-progress work.
 ## Writing a Requestor
 
 ```javascript
-function fetch_data(callback, url) {
+var fetch_data = function(callback, url) {
   $contact(function(connection) {
     $send(connection, {get: url}, function(response) {
       callback(response)
     })
   }, {host: url, port: 80})
-  return function cancel() {
+  return function() {
     // clean up if needed
   }
 }
@@ -44,7 +44,7 @@ function fetch_data(callback, url) {
 A requestor that always succeeds immediately:
 
 ```javascript
-function constant(callback, value) {
+var constant = function(callback, value) {
   callback(42)
 }
 ```
@@ -52,7 +52,7 @@ function constant(callback, value) {
 A requestor that always fails:
 
 ```javascript
-function broken(callback, value) {
+var broken = function(callback, value) {
   callback(null, "something went wrong")
 }
 ```
@@ -74,9 +74,9 @@ var pipeline = sequence([
 
 pipeline(function(profile, reason) {
   if (reason) {
-    log.error(reason)
+    print(reason)
   } else {
-    log.console(profile.name)
+    print(profile.name)
   }
 }, user_id)
 ```
@@ -133,7 +133,7 @@ var resilient = fallback([
 
 resilient(function(data, reason) {
   if (reason) {
-    log.error("all sources failed")
+    print("all sources failed")
   }
 }, key)
 ```
@@ -157,7 +157,7 @@ If the requestor does not complete within the time limit, it is cancelled and th
 Requestors are particularly useful with actor messaging. Since `$send` is callback-based, it fits naturally:
 
 ```javascript
-function ask_worker(callback, task) {
+var ask_worker = function(callback, task) {
   $send(worker, task, function(reply) {
     callback(reply)
   })
@@ -170,7 +170,7 @@ var pipeline = sequence([
 ])
 
 pipeline(function(stored) {
-  log.console("done")
+  print("done")
   $stop()
 }, {type: "compute", data: [1, 2, 3]})
 ```