rearrange for clarity, and update comments

lib/private/Deferred.js

@@ -534,6 +534,40 @@ Deferred.prototype.tolerate = function(negotiationRuleOrWildcardHandler, specifi
 };
 
 
+
+/**
+ * .retry()
+ *
+ * Attach an exponential backoff and retry strategy for this invocation.
+ *
+ * > See `bindUserlandAfterExecLC` utility for details on how this works.
+ *
+ * > WARNING: Please be sure that the function being wrapped is idempotent, or
+ * > at least that you very, very clearly understand what you're doing before
+ * > using this function!
+ *
+ * @throws {Error} If already begun executing
+ */
+Deferred.prototype.retry = function (negotiationRuleOrWildcardHandler){
+
+  if (this._hasBegunExecuting) {
+    throw flaverr({
+      name:
+        'UsageError',
+      message:
+        'Could not attach exponential backoff & retry strategy with `.retry()` because\n'+
+        'this invocation has already '+(this._hasTimedOut?'timed out':this._hasFinishedExecuting?'finished executing':'begun executing')+'.'
+    }, this._omen);
+  }
+
+  this._errorsThatCausedRetries = [];
+  this._retryDelaySeries = [100, 200, 400];
+
+  bindUserlandAfterExecLC('retry', negotiationRuleOrWildcardHandler, undefined, this);
+  return this;
+};
+
+
 /**
  * .toPromise()
  *
@@ -717,39 +751,6 @@ Deferred.prototype.timeout = function (ms){
 };
 
 
-/**
- * .retry()
- *
- * Attach an exponential backoff and retry strategy for this invocation.
- *
- * > See `bindUserlandAfterExecLC` utility for details on how this works.
- *
- * > WARNING: Please be sure that the function being wrapped is idempotent, or
- * > at least that you very, very clearly understand what you're doing before
- * > using this function!
- *
- * @throws {Error} If already begun executing
- */
-Deferred.prototype.retry = function (negotiationRuleOrWildcardHandler){
-
-  if (this._hasBegunExecuting) {
-    throw flaverr({
-      name:
-        'UsageError',
-      message:
-        'Could not attach exponential backoff & retry strategy with `.retry()` because\n'+
-        'this invocation has already '+(this._hasTimedOut?'timed out':this._hasFinishedExecuting?'finished executing':'begun executing')+'.'
-    }, this._omen);
-  }
-
-  this._errorsThatCausedRetries = [];
-  this._retryDelaySeries = [100, 200, 400];
-
-  bindUserlandAfterExecLC('retry', negotiationRuleOrWildcardHandler, undefined, this);
-  return this;
-};
-
-
 // Attach `inspect`, `toString`, and `toJSON` functions
 // (This is mainly to hide the `_omen` property, which is pretty scary-looking)
 Deferred.prototype.toJSON = function (){ return null; };
@@ -1262,7 +1263,8 @@ function proceedToFinalAfterExecLC(errCbArg, resultCbArg, extraCbArgs, self, _cb
 /**
  * bindUserlandAfterExecLC()
  *
- * Used exclusively by `Deferred.prototype.intercept()` & `.tolerate()`, this function is an optimization.
+ * Used exclusively by `Deferred.prototype.intercept()`, `Deferred.prototype.tolerate()`,
+ * and `Deferred.prototype.retry()`, this function is an optimization.
  * It would be much better to use an IIFE instead of defining this function, but we're
  * dealing with a very hot code path, so the performance gain is worth it.
  * That said, this optimization should never be applied in normal userland code!