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PEP 613 (Explicit Type Aliases) tracker #4913

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srittau opened this issue Jan 6, 2021 · 4 comments
Open
3 of 5 tasks

PEP 613 (Explicit Type Aliases) tracker #4913

srittau opened this issue Jan 6, 2021 · 4 comments
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@srittau
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@srittau srittau commented Jan 6, 2021 •
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This issue is supposed to track when we can start to use explicit type aliases (PEP 613) in typeshed. Support is needed in released versions of:
@srittau srittau changed the title PEP 613 Explicit Type Aliases tracker PEP 613 (Explicit Type Aliases) tracker Jan 6, 2021
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@srittau srittau commented Jan 6, 2021

@rchen152 I am sorry for the mention spam, but does pytype support PEP 613? If not, would you mind me creating a ticket that we can reference from here?

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@sproshev
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@sproshev sproshev commented Jan 6, 2021

Supported since PyCharm 2020.3 https://youtrack.jetbrains.com/issue/PY-42334

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@rchen152 rchen152 mentioned this issue Jan 7, 2021
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@rchen152 rchen152 commented Jan 7, 2021

pytype doesn't support this yet. Opened google/pytype#787.

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@srittau srittau mentioned this issue Apr 30, 2021
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@srittau srittau mentioned this issue Apr 30, 2021
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@srittau srittau commented Jun 14, 2021

I used this simple script to test this feature.

from typing_extensions import TypeAlias

Alias1 = str
Alias2: TypeAlias = str

def foo() -> Alias1: pass
def bar() -> Alias2: pass

reveal_type(foo)
reveal_type(bar)

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@srittau srittau mentioned this issue Jun 14, 2021
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@srittau @rchen152 @sproshev