1 error[E0658]: exclusive range pattern syntax is experimental (see issue #37854)
2 --> $DIR/feature-gate-exclusive-range-pattern.rs:13:9
4 LL | 0 .. 3 => {} //~ ERROR exclusive range pattern syntax is experimental
7 = help: add #![feature(exclusive_range_pattern)] to the crate attributes to enable
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0658`.