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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/invalid/statements/match/as_pattern_2.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..190,
body: [
Match(
StmtMatch {
node_index: NodeIndex(None),
range: 0..176,
subject: Name(
ExprName {
node_index: NodeIndex(None),
range: 6..13,
id: Name("subject"),
ctx: Load,
},
),
cases: [
MatchCase {
range: 159..176,
node_index: NodeIndex(None),
pattern: MatchAs(
PatternMatchAs {
node_index: NodeIndex(None),
range: 164..170,
pattern: Some(
MatchAs(
PatternMatchAs {
node_index: NodeIndex(None),
range: 164..165,
pattern: None,
name: Some(
Identifier {
id: Name("x"),
range: 164..165,
node_index: NodeIndex(None),
},
),
},
),
),
name: Some(
Identifier {
id: Name("y"),
range: 169..170,
node_index: NodeIndex(None),
},
),
},
),
guard: None,
body: [
AnnAssign(
StmtAnnAssign {
node_index: NodeIndex(None),
range: 171..176,
target: UnaryOp(
ExprUnaryOp {
node_index: NodeIndex(None),
range: 171..175,
op: UAdd,
operand: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 173..175,
value: Complex {
real: 0.0,
imag: 1.0,
},
},
),
},
),
annotation: Name(
ExprName {
node_index: NodeIndex(None),
range: 176..176,
id: Name(""),
ctx: Invalid,
},
),
value: None,
simple: false,
},
),
],
},
],
},
),
Pass(
StmtPass {
node_index: NodeIndex(None),
range: 185..189,
},
),
],
},
)
```
## Errors
|
2 | # This `as` pattern is unparenthesied so the parser never takes the path
3 | # where it might be confused as a complex literal pattern.
4 | case x as y + 1j:
| ^ Syntax Error: Expected `:`, found `+`
5 | pass
|
|
2 | # This `as` pattern is unparenthesied so the parser never takes the path
3 | # where it might be confused as a complex literal pattern.
4 | case x as y + 1j:
| ^ Syntax Error: Expected an expression
5 | pass
|
|
3 | # where it might be confused as a complex literal pattern.
4 | case x as y + 1j:
5 | pass
| ^^^^^^^^ Syntax Error: Expected dedent, found indent
|
|
4 | case x as y + 1j:
5 | pass
| ^ Syntax Error: Expected a statement
|