error[E0529]: expected an array or slice, found `f32` | |
--> $DIR/E0529.rs:4:9 | |
| | |
LL | [a, b] => { | |
| ^^^^^^ pattern cannot match with input type `f32` | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0529`. |