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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/invalid/expressions/unary/named_expression.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..18,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 0..2,
value: UnaryOp(
ExprUnaryOp {
node_index: NodeIndex(None),
range: 0..2,
op: USub,
operand: Name(
ExprName {
node_index: NodeIndex(None),
range: 1..2,
id: Name("x"),
ctx: Load,
},
),
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 6..7,
value: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 6..7,
value: Int(
1,
),
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 8..13,
value: UnaryOp(
ExprUnaryOp {
node_index: NodeIndex(None),
range: 8..13,
op: Not,
operand: Name(
ExprName {
node_index: NodeIndex(None),
range: 12..13,
id: Name("x"),
ctx: Load,
},
),
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 17..18,
value: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 17..18,
value: Int(
1,
),
},
),
},
),
],
},
)
```
## Errors
|
1 | -x := 1
| ^^ Syntax Error: Expected a statement
2 | not x := 1
|
|
1 | -x := 1
2 | not x := 1
| ^^ Syntax Error: Expected a statement
|