33 lines
682 B
Plaintext
33 lines
682 B
Plaintext
![]() |
|
||
|
== Why is this an issue?
|
||
|
Case mismatches in pattern arms make some arms unreachable, likely leading to logic errors that can be difficult to debug.
|
||
|
|
||
|
|
||
|
=== Code examples
|
||
|
|
||
|
==== Noncompliant code example
|
||
|
[source,rust,diff-id=1,diff-type=noncompliant]
|
||
|
----
|
||
|
match &*text.to_ascii_lowercase() {
|
||
|
"foo" => {},
|
||
|
"Bar" => {}, // Noncompliant: This arm is unreachable.
|
||
|
_ => {},
|
||
|
}
|
||
|
----
|
||
|
|
||
|
==== Compliant solution
|
||
|
|
||
|
[source,rust,diff-id=1,diff-type=compliant]
|
||
|
----
|
||
|
match &*text.to_ascii_lowercase() {
|
||
|
"foo" => {},
|
||
|
"bar" => {},
|
||
|
_ => {},
|
||
|
}
|
||
|
----
|
||
|
|
||
|
== Resources
|
||
|
=== Documentation
|
||
|
|
||
|
* Clippy Lints - https://rust-lang.github.io/rust-clippy/master/index.html#match_str_case_mismatch
|