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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/param_with_invalid_default.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..68,
body: [
FunctionDef(
StmtFunctionDef {
node_index: NodeIndex(None),
range: 0..20,
is_async: false,
decorator_list: [],
name: Identifier {
id: Name("foo"),
range: 4..7,
node_index: NodeIndex(None),
},
type_params: None,
parameters: Parameters {
range: 7..15,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 8..14,
node_index: NodeIndex(None),
parameter: Parameter {
range: 8..9,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 8..9,
node_index: NodeIndex(None),
},
annotation: None,
},
default: Some(
Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 10..14,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 11..14,
id: Name("int"),
ctx: Load,
},
),
ctx: Load,
},
),
),
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
returns: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 17..20,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 17..20,
},
),
},
),
],
},
),
FunctionDef(
StmtFunctionDef {
node_index: NodeIndex(None),
range: 21..43,
is_async: false,
decorator_list: [],
name: Identifier {
id: Name("foo"),
range: 25..28,
node_index: NodeIndex(None),
},
type_params: None,
parameters: Parameters {
range: 28..38,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 29..37,
node_index: NodeIndex(None),
parameter: Parameter {
range: 29..30,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 29..30,
node_index: NodeIndex(None),
},
annotation: None,
},
default: Some(
Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 32..36,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 33..36,
id: Name("int"),
ctx: Load,
},
),
ctx: Load,
},
),
),
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
returns: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 40..43,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 40..43,
},
),
},
),
],
},
),
FunctionDef(
StmtFunctionDef {
node_index: NodeIndex(None),
range: 44..67,
is_async: false,
decorator_list: [],
name: Identifier {
id: Name("foo"),
range: 48..51,
node_index: NodeIndex(None),
},
type_params: None,
parameters: Parameters {
range: 51..62,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 52..61,
node_index: NodeIndex(None),
parameter: Parameter {
range: 52..53,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 52..53,
node_index: NodeIndex(None),
},
annotation: None,
},
default: Some(
Yield(
ExprYield {
node_index: NodeIndex(None),
range: 54..61,
value: Some(
Name(
ExprName {
node_index: NodeIndex(None),
range: 60..61,
id: Name("y"),
ctx: Load,
},
),
),
},
),
),
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
returns: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 64..67,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 64..67,
},
),
},
),
],
},
),
],
},
)
```
## Errors
|
1 | def foo(x=*int): ...
| ^^^^ Syntax Error: Starred expression cannot be used here
2 | def foo(x=(*int)): ...
3 | def foo(x=yield y): ...
|
|
1 | def foo(x=*int): ...
2 | def foo(x=(*int)): ...
| ^^^^ Syntax Error: Starred expression cannot be used here
3 | def foo(x=yield y): ...
|
|
1 | def foo(x=*int): ...
2 | def foo(x=(*int)): ...
3 | def foo(x=yield y): ...
| ^^^^^^^ Syntax Error: Yield expression cannot be used here
|