error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]` --> $DIR/match-forbidden-without-eq.rs:11:9 | LL | FOO => { } | ^^^ warning: floating-point types cannot be used in patterns --> $DIR/match-forbidden-without-eq.rs:18:9 | LL | f32::INFINITY => { } | ^^^^^^^^^^^^^ | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #41620 = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default error: aborting due to previous error; 1 warning emitted