milessabin/shapeless

Add missing implicit annotations.

Open

#123 opened on Jun 25, 2014

View on GitHub
 (5 comments) (0 reactions) (0 assignees)Scala (3,405 stars) (522 forks)batch import
FeatureHelp wantedgood first issue

Description

There are very many implicit arguments in shapeless without @implicitNotFound annotations. Adding them would make compiler errors more readable.

Contributor guide

Tech stack
scala
Domain
developer experience
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.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Scalaimplicit parametersshapeless basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Search the shapeless source code for implicit parameters that lack the @implicitNotFound annotation. Look at the existing annotations as examples. Check the comments on the issue for any specific files mentioned. Start with commonly used implicit parameters.