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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/param_missing_annotation.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..35,
body: [
FunctionDef(
StmtFunctionDef {
node_index: NodeIndex(None),
range: 0..16,
is_async: false,
decorator_list: [],
name: Identifier {
id: Name("foo"),
range: 4..7,
node_index: NodeIndex(None),
},
type_params: None,
parameters: Parameters {
range: 7..11,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 8..10,
node_index: NodeIndex(None),
parameter: Parameter {
range: 8..10,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 8..9,
node_index: NodeIndex(None),
},
annotation: None,
},
default: None,
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
returns: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 13..16,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 13..16,
},
),
},
),
],
},
),
FunctionDef(
StmtFunctionDef {
node_index: NodeIndex(None),
range: 17..34,
is_async: false,
decorator_list: [],
name: Identifier {
id: Name("foo"),
range: 21..24,
node_index: NodeIndex(None),
},
type_params: None,
parameters: Parameters {
range: 24..29,
node_index: NodeIndex(None),
posonlyargs: [],
args: [
ParameterWithDefault {
range: 25..27,
node_index: NodeIndex(None),
parameter: Parameter {
range: 25..27,
node_index: NodeIndex(None),
name: Identifier {
id: Name("x"),
range: 25..26,
node_index: NodeIndex(None),
},
annotation: None,
},
default: None,
},
],
vararg: None,
kwonlyargs: [],
kwarg: None,
},
returns: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 31..34,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 31..34,
},
),
},
),
],
},
),
],
},
)
```
## Errors
|
1 | def foo(x:): ...
| ^ Syntax Error: Expected an expression
2 | def foo(x:,): ...
|
|
1 | def foo(x:): ...
2 | def foo(x:,): ...
| ^ Syntax Error: Expected an expression
|