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error[E0015]: cannot match on `str` in constant functions
--> $DIR/match-non-const-eq.rs:6:9
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LL | "a" => (),
| ^^^
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= note: `str` cannot be compared in compile-time, and therefore cannot be used in `match`es
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
error: aborting due to previous error
For more information about this error, try `rustc --explain E0015`.
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