err

erpreters)
error[E0573]: expected type, found module `self`
  --> src/compile.rs:18:24
   |
18 |     prefix: Fn<&'a mut self>,
   |                        ^^^^ help: a self type with a similar name exists (notice the capitalization): `Self`

error[E0573]: expected type, found module `self`
  --> src/compile.rs:19:23
   |
19 |     infix: Fn<&'a mut self>,
   |                       ^^^^ help: a self type with a similar name exists (notice the capitalization): `Self`

error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change
  --> src/compile.rs:18:13
   |
18 |     prefix: Fn<&'a mut self>,
   |             ^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(&'a mut self) -> ()`
   |
   = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information

error[E0191]: the value of the associated type `Output` in `FnOnce` must be specified
  --> src/compile.rs:18:13
   |
18 |     prefix: Fn<&'a mut self>,
   |             ^^^^^^^^^^^^^^^^ help: specify the associated type: `Fn<&'a mut self, Output = Type>`

error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change
  --> src/compile.rs:19:12
   |
19 |     infix: Fn<&'a mut self>,
   |            ^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(&'a mut self) -> ()`
   |
   = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information

error[E0191]: the value of the associated type `Output` in `FnOnce` must be specified
  --> src/compile.rs:19:12
   |
19 |     infix: Fn<&'a mut self>,
   |            ^^^^^^^^^^^^^^^^ help: specify the associated type: `Fn<&'a mut self, Output = Type>`

error[E0599]: no function or associated item named `binary` found for struct `Compiler` in the current scope
   --> src/compile.rs:143:71
    |
44  | pub struct Compiler<'a> {
    | ----------------------- function or associated item `binary` not found for this struct
...
143 |             Minus =>     ParseRule{ prefix: Self::unary, infix: Self::binary, p...
    |                                                                       ^^^^^^ function or associated item not found in `Compiler<'a>`
    |
note: if you're trying to build a new `Compiler<'a>`, consider using `Compiler::<'a>::new` which returns `Compiler<'_>`
   --> src/compile.rs:53:5
    |
53  |     pub fn new(tokens: Vec<Token<'a>>) -> Self {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: there is a method `unary` with a similar name
    |
143 |             Minus =>     ParseRule{ prefix: Self::unary, infix: Self::unary, prec: Term },
    |                                                                       ~~~~~

error[E0599]: no function or associated item named `binary` found for struct `Compiler` in the current scope
   --> src/compile.rs:144:67
    |
44  | pub struct Compiler<'a> {
    | ----------------------- function or associated item `binary` not found for this struct
...
144 |             Plus =>      ParseRule{ prefix: null_fn, infix: Self::binary, p...
    |                                                                   ^^^^^^ function or associated item not found in `Compiler<'a>`
    |
note: if you're trying to build a new `Compiler<'a>`, consider using `Compiler::<'a>::new` which returns `Compiler<'_>`
   --> src/compile.rs:53:5
    |
53  |     pub fn new(tokens: Vec<Token<'a>>) -> Self {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: there is a method `unary` with a similar name
    |
144 |             Plus =>      ParseRule{ prefix: null_fn, infix: Self::unary, prec: Term },
    |                                                                   ~~~~~

error[E0599]: no function or associated item named `binary` found for struct `Compiler` in the current scope
   --> src/compile.rs:145:67
    |
44  | pub struct Compiler<'a> {
    | ----------------------- function or associated item `binary` not found for this struct
...
145 |             Slash =>     ParseRule{ prefix: null_fn, infix: Self::binary, p...
    |                                                                   ^^^^^^ function or associated item not found in `Compiler<'a>`
    |
note: if you're trying to build a new `Compiler<'a>`, consider using `Compiler::<'a>::new` which returns `Compiler<'_>`
   --> src/compile.rs:53:5
    |
53  |     pub fn new(tokens: Vec<Token<'a>>) -> Self {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: there is a method `unary` with a similar name
    |
145 |             Slash =>     ParseRule{ prefix: null_fn, infix: Self::unary, prec: Factor },
    |                                                                   ~~~~~

error[E0599]: no function or associated item named `binary` found for struct `Compiler` in the current scope
   --> src/compile.rs:146:67
    |
44  | pub struct Compiler<'a> {
    | ----------------------- function or associated item `binary` not found for this struct
...
146 |             Star =>      ParseRule{ prefix: null_fn, infix: Self::binary, p...
    |                                                                   ^^^^^^ function or associated item not found in `Compiler<'a>`
    |
note: if you're trying to build a new `Compiler<'a>`, consider using `Compiler::<'a>::new` which returns `Compiler<'_>`
   --> src/compile.rs:53:5
    |
53  |     pub fn new(tokens: Vec<Token<'a>>) -> Self {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: there is a method `unary` with a similar name
    |
146 |             Star =>      ParseRule{ prefix: null_fn, infix: Self::unary, prec: Factor },
    |                                                                   ~~~~~

warning: unused variable: `level`
   --> src/compile.rs:134:36
    |
134 |     fn parse_precedence(&mut self, level: Precedence) {
    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
    |
    = note: `#[warn(unused_variables)]` on by default

warning: unused variable: `tokens`
  --> src/main.rs:27:13
   |
27 |         let tokens = lex(&source).unwrap();
   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`

warning: variable does not need to be mutable
  --> src/main.rs:17:9
   |
17 |     let mut chunk = Chunk::new();
   |         ----^^^^^
   |         |
   |         help: remove this `mut`
   |
   = note: `#[warn(unused_mut)]` on by default

error[E0782]: trait objects must include the `dyn` keyword
  --> src/compile.rs:18:13
   |
18 |     prefix: Fn<&'a mut self>,
   |             ^^^^^^^^^^^^^^^^
   |
help: add `dyn` keyword before this trait
   |
18 |     prefix: dyn Fn<&'a mut self>,
   |             +++

error[E0782]: trait objects must include the `dyn` keyword
  --> src/compile.rs:19:12
   |
19 |     infix: Fn<&'a mut self>,
   |            ^^^^^^^^^^^^^^^^
   |
help: add `dyn` keyword before this trait
   |
19 |     infix: dyn Fn<&'a mut self>,
   |            +++

Some errors have detailed explanations: E0191, E0573, E0599, E0658, E0782.
For more information about an error, try `rustc --explain E0191`.
warning: `crafting-interpreters` (bin "crafting-interpreters") generated 3 warnings
error: could not compile `crafting-interpreters` (bin "crafting-interpreters") due to 12 previous errors; 3 warnings emitted