swiftlang/swift

[SR-5058] Redundant Conformance Diagnostic should have an associated fixit

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#47,634 opened on May 31, 2017

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 (3 comments) (0 reactions) (0 assignees)Swift (10,719 forks)batch import
bugcompilerdiagnostics qualitygood first issue

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Description
Previous ID SR-5058
Radar rdar://32431756
Original Reporter @CodaFi
Type Bug
Status In Progress
Resolution

Attachment: Download
Votes 1
Component/s Compiler
Labels Bug, DiagnosticsQoI, StarterBug
Assignee interfere (JIRA)
Priority Medium

md5: 5985872320450fd433971928ef7a5b14

Issue Description:

The redundant conformance diagnostic can point at the protocol that is redundant, but doesn’t actually offer to remove it.

protocol Foo {}
struct Bar {}

extension Bar: Foo {}
extension Bar: Foo {} // redundant conformance of 'Bar' to protocol 'Foo'

Contributor guide

Research direction
Locate the diagnostic emission for redundant conformance and implement a fix it to remove the redundant extension.
Tech stack
swift
Domain
compilers
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
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.
Clear
Prerequisites
Swift
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75