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error[E0005]: refutable pattern in function argument: `&[]`, `&[_]` and `&[_, _, _]` not covered
--> $DIR/const_let_refutable.rs:3:16
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LL | const fn slice([a, b]: &[i32]) -> i32 {
| ^^^^^^ patterns `&[]`, `&[_]` and `&[_, _, _]` not covered
error[E0723]: can only call other `const fn` within a `const fn`, but `const <&i32 as std::ops::Add>::add` is not stable as `const fn`
--> $DIR/const_let_refutable.rs:4:5
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LL | a + b
| ^^^^^
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= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add `#![feature(const_fn)]` to the crate attributes to enable
error[E0381]: use of possibly-uninitialized variable: `a`
--> $DIR/const_let_refutable.rs:4:5
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LL | a + b
| ^ use of possibly-uninitialized `a`
error[E0381]: use of possibly-uninitialized variable: `b`
--> $DIR/const_let_refutable.rs:4:9
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LL | a + b
| ^ use of possibly-uninitialized `b`
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0005, E0381, E0723.
For more information about an error, try `rustc --explain E0005`.
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