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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/ann_assign_stmt_invalid_annotation.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..63,
body: [
AnnAssign(
StmtAnnAssign {
node_index: NodeIndex(None),
range: 0..11,
target: Name(
ExprName {
node_index: NodeIndex(None),
range: 0..1,
id: Name("x"),
ctx: Store,
},
),
annotation: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 3..7,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 4..7,
id: Name("int"),
ctx: Load,
},
),
ctx: Load,
},
),
value: Some(
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 10..11,
value: Int(
1,
),
},
),
),
simple: true,
},
),
AnnAssign(
StmtAnnAssign {
node_index: NodeIndex(None),
range: 12..26,
target: Name(
ExprName {
node_index: NodeIndex(None),
range: 12..13,
id: Name("x"),
ctx: Store,
},
),
annotation: Yield(
ExprYield {
node_index: NodeIndex(None),
range: 15..22,
value: Some(
Name(
ExprName {
node_index: NodeIndex(None),
range: 21..22,
id: Name("a"),
ctx: Load,
},
),
),
},
),
value: Some(
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 25..26,
value: Int(
1,
),
},
),
),
simple: true,
},
),
AnnAssign(
StmtAnnAssign {
node_index: NodeIndex(None),
range: 27..46,
target: Name(
ExprName {
node_index: NodeIndex(None),
range: 27..28,
id: Name("x"),
ctx: Store,
},
),
annotation: YieldFrom(
ExprYieldFrom {
node_index: NodeIndex(None),
range: 30..42,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 41..42,
id: Name("b"),
ctx: Load,
},
),
},
),
value: Some(
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 45..46,
value: Int(
1,
),
},
),
),
simple: true,
},
),
AnnAssign(
StmtAnnAssign {
node_index: NodeIndex(None),
range: 47..51,
target: Name(
ExprName {
node_index: NodeIndex(None),
range: 47..48,
id: Name("x"),
ctx: Store,
},
),
annotation: Name(
ExprName {
node_index: NodeIndex(None),
range: 50..51,
id: Name("y"),
ctx: Load,
},
),
value: None,
simple: true,
},
),
Assign(
StmtAssign {
node_index: NodeIndex(None),
range: 55..62,
targets: [
Name(
ExprName {
node_index: NodeIndex(None),
range: 55..58,
id: Name("int"),
ctx: Store,
},
),
],
value: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 61..62,
value: Int(
1,
),
},
),
},
),
],
},
)
```
## Errors
|
1 | x: *int = 1
| ^^^^ Syntax Error: Starred expression cannot be used here
2 | x: yield a = 1
3 | x: yield from b = 1
|
|
1 | x: *int = 1
2 | x: yield a = 1
| ^^^^^^^ Syntax Error: Yield expression cannot be used here
3 | x: yield from b = 1
4 | x: y := int = 1
|
|
1 | x: *int = 1
2 | x: yield a = 1
3 | x: yield from b = 1
| ^^^^^^^^^^^^ Syntax Error: Yield expression cannot be used here
4 | x: y := int = 1
|
|
2 | x: yield a = 1
3 | x: yield from b = 1
4 | x: y := int = 1
| ^^ Syntax Error: Expected a statement
|
## Semantic Syntax Errors
|
1 | x: *int = 1
2 | x: yield a = 1
| ^^^^^^^ Syntax Error: yield expression cannot be used within a type annotation
3 | x: yield from b = 1
4 | x: y := int = 1
|
|
1 | x: *int = 1
2 | x: yield a = 1
3 | x: yield from b = 1
| ^^^^^^^^^^^^ Syntax Error: yield expression cannot be used within a type annotation
4 | x: y := int = 1
|