akka/akka-http

Construct `ToResponseMarshaller` from `Marshaller[A, ResponseEntity]`

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#642 opened on Dec 11, 2016

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Description

Currently only Marshaller[A, MessageEntity] is supported, which is Marshaller[A, RequestEntity], which won't for work for all ResponseEntitys (namely CloseDelimited).

Related #641.

Contributor guide

Research direction
Study the existing `Marshaller` and `ToResponseMarshaller` type classes in Akka HTTP. Understand how `Marshaller[A, MessageEntity]` is used to create `ToResponseMarshaller[A]`. Then implement a similar conversion for `Marshaller[A, ResponseEntity]` to `ToResponseMarshaller[A]`, paying attention to the `CloseDelimited` response entity.
Tech stack
scala
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
ScalaAkka HTTP
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30