ErrorJSONMsg returns a json-encoded error message.

ErrorJSONMsgf returns a json-encoded error message using the printf formatter.

NewReader creates a new reader.

NewStringMemoizer creates a new uninitialized StringMemoizer.

RedactURL is equivalent to parsing a URL string and then calling Redacted() to replace passwords, if any, with xxxxx.

PayloadReader is an implementation of io.Reader that reads bytes off the request body optionally decompresses them, and has a limit attached.

StringMemoizer is a simple encapsulation of a lazily evaluated-only-once string function.

CleanupTasks accumulates a list of things which should be done at the end of a method unless Clear() is called.