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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/f_string_invalid_starred_expr.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..112,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 77..83,
value: FString(
ExprFString {
node_index: NodeIndex(None),
range: 77..83,
value: FStringValue {
inner: Single(
FString {
range: 77..83,
node_index: NodeIndex(None),
elements: [
Interpolation(
InterpolatedElement {
range: 79..82,
node_index: NodeIndex(None),
expression: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 80..81,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 81..81,
id: Name(""),
ctx: Invalid,
},
),
ctx: Load,
},
),
debug_text: None,
conversion: None,
format_spec: None,
},
),
],
flags: FStringFlags {
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
},
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 84..97,
value: FString(
ExprFString {
node_index: NodeIndex(None),
range: 84..97,
value: FStringValue {
inner: Single(
FString {
range: 84..97,
node_index: NodeIndex(None),
elements: [
Interpolation(
InterpolatedElement {
range: 86..96,
node_index: NodeIndex(None),
expression: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 87..95,
value: BoolOp(
ExprBoolOp {
node_index: NodeIndex(None),
range: 88..95,
op: And,
values: [
Name(
ExprName {
node_index: NodeIndex(None),
range: 88..89,
id: Name("x"),
ctx: Load,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 94..95,
id: Name("y"),
ctx: Load,
},
),
],
},
),
ctx: Load,
},
),
debug_text: None,
conversion: None,
format_spec: None,
},
),
],
flags: FStringFlags {
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
},
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 98..111,
value: FString(
ExprFString {
node_index: NodeIndex(None),
range: 98..111,
value: FStringValue {
inner: Single(
FString {
range: 98..111,
node_index: NodeIndex(None),
elements: [
Interpolation(
InterpolatedElement {
range: 100..110,
node_index: NodeIndex(None),
expression: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 101..109,
value: Yield(
ExprYield {
node_index: NodeIndex(None),
range: 102..109,
value: Some(
Name(
ExprName {
node_index: NodeIndex(None),
range: 108..109,
id: Name("x"),
ctx: Load,
},
),
),
},
),
ctx: Load,
},
),
debug_text: None,
conversion: None,
format_spec: None,
},
),
],
flags: FStringFlags {
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
},
},
),
},
),
],
},
)
```
## Errors
|
1 | # Starred expression inside f-string has a minimum precedence of bitwise or.
2 | f"{*}"
| ^ Syntax Error: Expected an expression
3 | f"{*x and y}"
4 | f"{*yield x}"
|
|
1 | # Starred expression inside f-string has a minimum precedence of bitwise or.
2 | f"{*}"
3 | f"{*x and y}"
| ^^^^^^^ Syntax Error: Boolean expression cannot be used here
4 | f"{*yield x}"
|
|
2 | f"{*}"
3 | f"{*x and y}"
4 | f"{*yield x}"
| ^^^^^^^ Syntax Error: Yield expression cannot be used here