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Add test coverage for walrus with allow-redefinition #21605

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Add test coverage for walrus with allow-redefinition #21605

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12 changes: 12 additions & 0 deletions test-data/unit/check-redefine2.test
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Original file line number Diff line number Diff line change
Expand Up @@ -333,6 +333,18 @@ def f3() -> None:
reveal_type(x) # N: Revealed type is "builtins.int | builtins.str"
reveal_type(x) # N: Revealed type is "builtins.int | builtins.str"

def f4(x: str | None) -> None:
if y := x:
reveal_type(y) # N: Revealed type is "builtins.str"
y = 1
reveal_type(y) # N: Revealed type is "builtins.int"

def f5() -> None:
if z := 1:
reveal_type(z) # N: Revealed type is "builtins.int"
z = "s"
reveal_type(z) # N: Revealed type is "builtins.str"

[case testNewRedefineOperatorAssignment]
# flags: --allow-redefinition
class D: pass
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