rust-lang/rust-clippy

Shadowing of types via Generic Parameter

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#380 opened on Oct 12, 2015

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A-lintgood first issue

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Description

struct Foo {}

struct<Foo> Bar { f: Foo }

Should warn that Foo in Bar shadows the struct Foo declared previously.

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Contributor guide

Research direction
Inspect the provided test case example and trace how the lint should detect shadowing of struct names by generic type parameters. Consider the compiler's name resolution and how to emit a lint when a generic parameter has the same name as a previously defined type.
Tech stack
rust
Domain
developer experiencetooling
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.
Half day
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
RustGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60