rust-lang / rust-lang/rust-clippy

comparison with x.as_str() where x suffices

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#181 5 comments 0 reactions 0 assignees View on GitHub

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A-lint E-medium S-needs-discussion T-middle
Dominant language
Rust
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Description

We recently had some instances where we compared name.as_str() == s albeit there was an impl PartialEq<&str>.

I say this should either be allowed by default or use a blacklist of types where we know that the aforementioned impl has the same semantics as the conversion + str-equality.

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Research direction

The issue names no files, tests, or entry points. Read the existing discussion first, then determine whether comparisons using x.as_str() should be allowed by default or handled through a type blacklist, and define tests that establish the intended semantics before considering the issue complete.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
devtools, tooling
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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