# Program
Status: 🟢
Assertions: 1
```rustleaf
var x = 0;
loop {
x += 1;
break;
x += 1;
}
assert(x == 1);
```
# 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 (Int(0))
consume_token: position 3 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 4 consumed Semicolon
parse_statement: success - parsed var declaration
parse_program: parsing statement at position 5 (Loop)
parse_statement: starting at position 5 (Loop)
parse_expression: starting at position 5 (Loop)
consume_token: position 5 consumed Loop
parse_primary: success - parsing loop expression
consume_token: position 6 consumed LeftBrace
parse_statement: starting at position 7 (Ident(x))
consume_token: position 7 consumed Ident
consume_token: position 8 consumed PlusEqual
parse_expression: starting at position 9 (Int(1))
consume_token: position 9 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 10 consumed Semicolon
parse_statement: success - parsed assignment
parse_statement: starting at position 11 (Break)
consume_token: position 11 consumed Break
consume_token: position 12 consumed Semicolon
parse_statement: success - parsed break statement
parse_statement: starting at position 13 (Ident(x))
consume_token: position 13 consumed Ident
consume_token: position 14 consumed PlusEqual
parse_expression: starting at position 15 (Int(1))
consume_token: position 15 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 16 consumed Semicolon
parse_statement: success - parsed assignment
consume_token: position 17 consumed RightBrace
parse_expression: success - parsed precedence expression
parse_statement: success - parsed block-like expression statement
parse_program: parsing statement at position 18 (Ident(assert))
parse_statement: starting at position 18 (Ident(assert))
consume_token: position 18 consumed Ident
parse_statement: falling back to expression statement
parse_expression: starting at position 18 (Ident(assert))
consume_token: position 18 consumed Ident
parse_primary: success - parsed identifier (assert)
consume_token: position 19 consumed LeftParen
parse_expression: starting at position 20 (Ident(x))
consume_token: position 20 consumed Ident
parse_primary: success - parsed identifier (x)
consume_token: position 21 consumed EqualEqual
consume_token: position 22 consumed Int
parse_primary: success - parsed numeric/string literal
parse_expression: success - parsed precedence expression
consume_token: position 23 consumed RightParen
parse_expression: success - parsed precedence expression
consume_token: position 24 consumed Semicolon
parse_program: parsed 3 statements
```
# Result
```rust
Ok(
Unit,
)
```
# Lex
```rust
Ok(
[
0: Token(Var),
1: Token(Ident, "x"),
2: Token(Equal),
3: Token(Int, "0"),
4: Token(Semicolon),
5: Token(Loop),
6: Token(LeftBrace),
7: Token(Ident, "x"),
8: Token(PlusEqual),
9: Token(Int, "1"),
10: Token(Semicolon),
11: Token(Break),
12: Token(Semicolon),
13: Token(Ident, "x"),
14: Token(PlusEqual),
15: Token(Int, "1"),
16: Token(Semicolon),
17: Token(RightBrace),
18: Token(Ident, "assert"),
19: Token(LeftParen),
20: Token(Ident, "x"),
21: Token(EqualEqual),
22: Token(Int, "1"),
23: Token(RightParen),
24: Token(Semicolon),
25: Token(Eof)
],
)
```
# Parse
```rust
Ok(
Program(
[
VarDecl {
pattern: Variable(
"x",
),
value: Some(
Literal(
Int(
0,
),
),
),
},
Expression(
Loop {
body: Block {
statements: [
Assignment {
target: Identifier(
"x",
),
op: AddAssign,
value: Literal(
Int(
1,
),
),
},
Break(
None,
),
Assignment {
target: Identifier(
"x",
),
op: AddAssign,
value: Literal(
Int(
1,
),
),
},
],
final_expr: None,
},
},
),
Expression(
FunctionCall(
Identifier(
"assert",
),
[
Eq(
Identifier(
"x",
),
Literal(
Int(
1,
),
),
),
],
),
),
],
),
)
```
# Eval
```rust
Ok(
RustValue(<unknown>),
)
```