dotnet/roslyn

'Go to definition' on a tuple element name does not take you to the declaration of the name in metadata/decompiled source

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#51,940 opened on Mar 17, 2021

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Area-IDEConcept-Continuous Improvementhelp wanted

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Description

If you press F12, you get an error rather than navigating to where Zip declares the tuple element name First in metadata or decompiled source:

using System.Linq;

_ = new[] { 1 }.Zip(new[] { 1 }).First().First[||];

image

Expected:

Metadata view places you here:

image

Contributor guide

Research direction
Investigate the 'Go to definition' handler for tuple element names in the Roslyn navigation code, inspect the metadata/decompiled source lookup logic.
Tech stack
csharp
Domain
devtools
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
C#
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70