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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/named_expr_statement_invalid_target.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..20,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 0..5,
value: BinOp(
ExprBinOp {
node_index: NodeIndex(None),
range: 0..5,
left: Name(
ExprName {
node_index: NodeIndex(None),
range: 0..1,
id: Name("x"),
ctx: Load,
},
),
op: Add,
right: Name(
ExprName {
node_index: NodeIndex(None),
range: 4..5,
id: Name("y"),
ctx: Load,
},
),
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 9..10,
value: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 9..10,
value: Int(
1,
),
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 11..14,
value: Attribute(
ExprAttribute {
node_index: NodeIndex(None),
range: 11..14,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 11..12,
id: Name("a"),
ctx: Load,
},
),
attr: Identifier {
id: Name("b"),
range: 13..14,
node_index: NodeIndex(None),
},
ctx: Load,
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 18..19,
value: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 18..19,
value: Int(
1,
),
},
),
},
),
],
runtime_body: None,
},
)
```
## Errors
|
1 | x + y := 1
| ^^^^^ Syntax Error: cannot use assignment expressions with expression
2 | a.b := 1
|
|
1 | x + y := 1
| ^^ Syntax Error: invalid syntax
2 | a.b := 1
|
|
1 | x + y := 1
2 | a.b := 1
| ^^^ Syntax Error: cannot use assignment expressions with attribute
|
1 | x + y := 1
2 | a.b := 1
| ^^ Syntax Error: invalid syntax