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(cherry picked from commit 8996fec06c52cda4d28cd5176ba1d97a7036639b) GitOrigin-RevId: 3bc91b31ef8ecea7cd57b67c7298ed815f9a9116
16 lines
409 B
HTML
16 lines
409 B
HTML
<html>
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<p>Reports incorrect use of Python type variables due to variance issues.
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</p>
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<p><b>Incompatible variance</b></p>
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<pre><code class="language-python">
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from typing import TypeVar, Generic
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T = TypeVar("T", covariant=True)
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class C(Generic[T]):
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def method(self, t: T): # at 'T': A covariant type variable cannot be used in this contravariant position
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pass
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</code></pre>
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</body>
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</html> |