warning: you should consider adding a `Default` implementation for `LR0ItemSet<'grammar>` --> src/lr0/core.rs:124:5 | 124 | / pub fn new() -> Self { 125 | | Self { 126 | | items: HashSet::new(), 127 | | } 128 | | } | |_____^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default = note: `#[warn(clippy::new_without_default)]` on by default help: try adding this | 123 + impl<'grammar> Default for LR0ItemSet<'grammar> { 124 + fn default() -> Self { 125 + Self::new() 126 + } 127 + } |

warning: this lifetime isn't used in the function definition --> src/lr0/core.rs:55:23 | 55 | pub fn transition<'a>(&self, from: usize, via: &Term) -> Option<usize> { | ^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default

warning: struct `LR0Closure` has a public `len` method, but no `is_empty` method --> src/lr0/core.rs:51:5 | 51 | pub fn len(&self) -> usize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty = note: `#[warn(clippy::len_without_is_empty)]` on by default

warning: unused import: `std::str::FromStr` --> src/slr/builder.rs:12:5 | 12 | use std::str::FromStr; | ^^^^^^^^^^^^^^^^^ | = note: `#[warn(unused_imports)]` on by default