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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/unary_plus_py314.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..94,
body: [
Match(
StmtMatch {
node_index: NodeIndex(None),
range: 44..93,
subject: Name(
ExprName {
node_index: NodeIndex(None),
range: 50..53,
id: Name("foo"),
ctx: Load,
},
),
cases: [
MatchCase {
range: 59..71,
node_index: NodeIndex(None),
pattern: MatchValue(
PatternMatchValue {
node_index: NodeIndex(None),
range: 64..66,
value: UnaryOp(
ExprUnaryOp {
node_index: NodeIndex(None),
range: 64..66,
op: UAdd,
operand: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 65..66,
value: Int(
1,
),
},
),
},
),
},
),
guard: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 68..71,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 68..71,
},
),
},
),
],
},
MatchCase {
range: 76..93,
node_index: NodeIndex(None),
pattern: MatchMapping(
PatternMatchMapping {
node_index: NodeIndex(None),
range: 81..88,
keys: [
UnaryOp(
ExprUnaryOp {
node_index: NodeIndex(None),
range: 82..84,
op: UAdd,
operand: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 83..84,
value: Int(
1,
),
},
),
},
),
],
patterns: [
MatchValue(
PatternMatchValue {
node_index: NodeIndex(None),
range: 86..87,
value: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 86..87,
value: Int(
2,
),
},
),
},
),
],
rest: None,
},
),
guard: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 90..93,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 90..93,
},
),
},
),
],
},
],
},
),
],
},
)
```
## Unsupported Syntax Errors
|
1 | # parse_options: {"target-version": "3.14"}
2 | match foo:
3 | case +1: ...
| ^^ Syntax Error: Unary '+' is not allowed in a literal pattern on Python 3.14 (syntax was added in Python 3.15)
4 | case {+1: 2}: ...
|
|
2 | match foo:
3 | case +1: ...
4 | case {+1: 2}: ...
| ^^ Syntax Error: Unary '+' is not allowed in a literal pattern on Python 3.14 (syntax was added in Python 3.15)