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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/lambda_body_with_starred_expr.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..62,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 0..12,
value: Lambda(
ExprLambda {
node_index: NodeIndex(None),
range: 0..12,
parameters: Some(
Parameters {
range: 7..8,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 7..8,
node_index: NodeIndex(None),
parameter: Parameter {
range: 7..8,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 7..8,
node_index: NodeIndex(None),
},
annotation: None,
},
default: None,
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
),
body: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 10..12,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 11..12,
id: Name("y"),
ctx: Load,
},
),
ctx: Load,
},
),
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 13..26,
value: Tuple(
ExprTuple {
node_index: NodeIndex(None),
range: 13..26,
elts: [
Lambda(
ExprLambda {
node_index: NodeIndex(None),
range: 13..25,
parameters: Some(
Parameters {
range: 20..21,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 20..21,
node_index: NodeIndex(None),
parameter: Parameter {
range: 20..21,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 20..21,
node_index: NodeIndex(None),
},
annotation: None,
},
default: None,
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
),
body: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 23..25,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 24..25,
id: Name("y"),
ctx: Load,
},
),
ctx: Load,
},
),
},
),
],
ctx: Load,
parenthesized: false,
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 27..42,
value: Tuple(
ExprTuple {
node_index: NodeIndex(None),
range: 27..42,
elts: [
Lambda(
ExprLambda {
node_index: NodeIndex(None),
range: 27..39,
parameters: Some(
Parameters {
range: 34..35,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 34..35,
node_index: NodeIndex(None),
parameter: Parameter {
range: 34..35,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 34..35,
node_index: NodeIndex(None),
},
annotation: None,
},
default: None,
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
),
body: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 37..39,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 38..39,
id: Name("y"),
ctx: Load,
},
),
ctx: Load,
},
),
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 41..42,
id: Name("z"),
ctx: Load,
},
),
],
ctx: Load,
parenthesized: false,
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 43..61,
value: Lambda(
ExprLambda {
node_index: NodeIndex(None),
range: 43..61,
parameters: Some(
Parameters {
range: 50..51,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 50..51,
node_index: NodeIndex(None),
parameter: Parameter {
range: 50..51,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 50..51,
node_index: NodeIndex(None),
},
annotation: None,
},
default: None,
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
),
body: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 53..61,
value: BoolOp(
ExprBoolOp {
node_index: NodeIndex(None),
range: 54..61,
op: And,
values: [
Name(
ExprName {
node_index: NodeIndex(None),
range: 54..55,
id: Name("y"),
ctx: Load,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 60..61,
id: Name("z"),
ctx: Load,
},
),
],
},
),
ctx: Load,
},
),
},
),
},
),
],
},
)
```
## Errors
|
1 | lambda x: *y
| ^^ Syntax Error: Starred expression cannot be used here
2 | lambda x: *y,
3 | lambda x: *y, z
|
|
1 | lambda x: *y
2 | lambda x: *y,
| ^^ Syntax Error: Starred expression cannot be used here
3 | lambda x: *y, z
4 | lambda x: *y and z
|
|
1 | lambda x: *y
2 | lambda x: *y,
3 | lambda x: *y, z
| ^^ Syntax Error: Starred expression cannot be used here
4 | lambda x: *y and z
|
|
2 | lambda x: *y,
3 | lambda x: *y, z
4 | lambda x: *y and z
| ^^^^^^^^ Syntax Error: Starred expression cannot be used here
|