# Program
Status: 🟢
Assertions: 2
```rustleaf
// List indexing and operations
var my_list = [1, 2, 3];
assert(my_list[0] == 1);
assert(my_list[2] == 3);
```
# Output
```
parse_program: starting
parse_program: parsing statement at position 0 (Var)
parse_statement: starting at position 0 (Var)
consume_token: position 0 consumed Var
consume_token: position 1 consumed Ident
consume_token: position 2 consumed Equal
parse_expression: starting at position 3 (LeftBracket)
consume_token: position 3 consumed LeftBracket
parse_primary: success - parsing list literal
parse_list_literal: starting at position 4
parse_list_literal: parsing element at position 4
parse_expression: starting at position 4 (Int(1))
consume_token: position 4 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 5 consumed Comma
parse_list_literal: found comma, checking for more elements
parse_list_literal: parsing element at position 6
parse_expression: starting at position 6 (Int(2))
consume_token: position 6 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 7 consumed Comma
parse_list_literal: found comma, checking for more elements
parse_list_literal: parsing element at position 8
parse_expression: starting at position 8 (Int(3))
consume_token: position 8 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
parse_list_literal: no comma, expecting ]
parse_list_literal: expecting ] at position 9
consume_token: position 9 consumed RightBracket
parse_list_literal: success
parse_expression: success - parsed precedence expression
consume_token: position 10 consumed Semicolon
parse_statement: success - parsed var declaration
parse_program: parsing statement at position 11 (Ident(assert))
parse_statement: starting at position 11 (Ident(assert))
consume_token: position 11 consumed Ident
parse_statement: falling back to expression statement
parse_expression: starting at position 11 (Ident(assert))
consume_token: position 11 consumed Ident
parse_primary: success - parsed identifier (assert)
consume_token: position 12 consumed LeftParen
parse_expression: starting at position 13 (Ident(my_list))
consume_token: position 13 consumed Ident
parse_primary: success - parsed identifier (my_list)
consume_token: position 14 consumed LeftBracket
parse_expression: starting at position 15 (Int(0))
consume_token: position 15 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 16 consumed RightBracket
consume_token: position 17 consumed EqualEqual
consume_token: position 18 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 19 consumed RightParen
parse_expression: success - parsed precedence expression
consume_token: position 20 consumed Semicolon
parse_program: parsing statement at position 21 (Ident(assert))
parse_statement: starting at position 21 (Ident(assert))
consume_token: position 21 consumed Ident
parse_statement: falling back to expression statement
parse_expression: starting at position 21 (Ident(assert))
consume_token: position 21 consumed Ident
parse_primary: success - parsed identifier (assert)
consume_token: position 22 consumed LeftParen
parse_expression: starting at position 23 (Ident(my_list))
consume_token: position 23 consumed Ident
parse_primary: success - parsed identifier (my_list)
consume_token: position 24 consumed LeftBracket
parse_expression: starting at position 25 (Int(2))
consume_token: position 25 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 26 consumed RightBracket
consume_token: position 27 consumed EqualEqual
consume_token: position 28 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 29 consumed RightParen
parse_expression: success - parsed precedence expression
consume_token: position 30 consumed Semicolon
parse_program: parsed 3 statements
```
# Result
```rust
Ok(
Unit,
)
```
# Lex
```rust
Ok(
[
0: Token(Var),
1: Token(Ident, "my_list"),
2: Token(Equal),
3: Token(LeftBracket),
4: Token(Int, "1"),
5: Token(Comma),
6: Token(Int, "2"),
7: Token(Comma),
8: Token(Int, "3"),
9: Token(RightBracket),
10: Token(Semicolon),
11: Token(Ident, "assert"),
12: Token(LeftParen),
13: Token(Ident, "my_list"),
14: Token(LeftBracket),
15: Token(Int, "0"),
16: Token(RightBracket),
17: Token(EqualEqual),
18: Token(Int, "1"),
19: Token(RightParen),
20: Token(Semicolon),
21: Token(Ident, "assert"),
22: Token(LeftParen),
23: Token(Ident, "my_list"),
24: Token(LeftBracket),
25: Token(Int, "2"),
26: Token(RightBracket),
27: Token(EqualEqual),
28: Token(Int, "3"),
29: Token(RightParen),
30: Token(Semicolon),
31: Token(Eof)
],
)
```
# Parse
```rust
Ok(
Program(
[
VarDecl {
pattern: Variable(
"my_list",
),
value: Some(
List(
[
Literal(
Int(
1,
),
),
Literal(
Int(
2,
),
),
Literal(
Int(
3,
),
),
],
),
),
},
Expression(
FunctionCall(
Identifier(
"assert",
),
[
Eq(
GetItem(
Identifier(
"my_list",
),
Literal(
Int(
0,
),
),
),
Literal(
Int(
1,
),
),
),
],
),
),
Expression(
FunctionCall(
Identifier(
"assert",
),
[
Eq(
GetItem(
Identifier(
"my_list",
),
Literal(
Int(
2,
),
),
),
Literal(
Int(
3,
),
),
),
],
),
),
],
),
)
```
# Eval
```rust
Ok(
RustValue(<unknown>),
)
```