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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/params_var_positional_with_default.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..30,
body: [
FunctionDef(
StmtFunctionDef {
node_index: NodeIndex(None),
range: 0..22,
is_async: false,
decorator_list: [],
name: Identifier {
id: Name("foo"),
range: 4..7,
node_index: NodeIndex(None),
},
type_params: None,
parameters: Parameters {
range: 7..18,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 8..9,
node_index: NodeIndex(None),
parameter: Parameter {
range: 8..9,
node_index: NodeIndex(None),
name: Identifier {
id: Name("a"),
range: 8..9,
node_index: NodeIndex(None),
},
annotation: None,
runtime_type_comment: None,
runtime_type_comment_bytes: None,
},
default: None,
},
],
vararg: Some(
Parameter {
range: 11..16,
node_index: NodeIndex(None),
name: Identifier {
id: Name("args"),
range: 12..16,
node_index: NodeIndex(None),
},
annotation: None,
runtime_type_comment: None,
runtime_type_comment_bytes: None,
},
),
kwonlyargs: [],
kwarg: None,
runtime_defaults: None,
},
returns: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 18..22,
value: Tuple(
ExprTuple {
node_index: NodeIndex(None),
range: 18..22,
elts: [
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 18..19,
value: Int(
1,
),
},
),
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 21..22,
value: Int(
2,
),
},
),
],
ctx: Load,
parenthesized: false,
runtime_elts: None,
},
),
},
),
],
runtime_decorator_list: None,
runtime_type_comment: None,
runtime_type_comment_bytes: None,
runtime_body: None,
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 26..29,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 26..29,
},
),
},
),
],
runtime_body: None,
},
)
```
## Errors
|
1 | def foo(a, *args=(1, 2)): ...
| ^ Syntax Error: var-positional argument cannot have default value
|
1 | def foo(a, *args=(1, 2)): ...
| ^ Syntax Error: invalid syntax
|
1 | def foo(a, *args=(1, 2)): ...
| ^ Syntax Error: invalid syntax
|
1 | def foo(a, *args=(1, 2)): ...
| ^ Syntax Error: invalid syntax
|
1 | def foo(a, *args=(1, 2)): ...
| ^ Syntax Error: unmatched ')'
|
1 | def foo(a, *args=(1, 2)): ...
| ^ Syntax Error: invalid syntax