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Match case syntax for imaginary literals allows an extra plus #154775

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Match case syntax for imaginary literals allows an extra plus#154775
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encukou
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interpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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@encukou
encukou
opened on Jul 27, 2026

Bug report

#148566 allowed this:

match ...:
    case +1j:
        pass

but also this:

match ...:
    case 1++1j:
        pass

The double plus should not be allowed.

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interpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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