7b234485eb
* Create rule S7428 * Update rule.adoc * Update metadata.json * Update metadata.json * Update metadata.json --------- Co-authored-by: sallaigy <sallaigy@users.noreply.github.com> Co-authored-by: Gyula Sallai <gyula.sallai@sonarsource.com>
33 lines
682 B
Plaintext
33 lines
682 B
Plaintext
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== Why is this an issue?
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Case mismatches in pattern arms make some arms unreachable, likely leading to logic errors that can be difficult to debug.
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=== Code examples
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==== Noncompliant code example
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[source,rust,diff-id=1,diff-type=noncompliant]
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----
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match &*text.to_ascii_lowercase() {
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"foo" => {},
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"Bar" => {}, // Noncompliant: This arm is unreachable.
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_ => {},
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}
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----
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==== Compliant solution
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[source,rust,diff-id=1,diff-type=compliant]
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----
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match &*text.to_ascii_lowercase() {
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"foo" => {},
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"bar" => {},
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_ => {},
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}
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----
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== Resources
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=== Documentation
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* Clippy Lints - https://rust-lang.github.io/rust-clippy/master/index.html#match_str_case_mismatch
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