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disable promotions #167

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KotlinIsland opened this issue Jan 21, 2022 · 1 comment · May be fixed by #781
Open

disable promotions #167

KotlinIsland opened this issue Jan 21, 2022 · 1 comment · May be fixed by #781
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feature p-1 high

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@KotlinIsland
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KotlinIsland commented Jan 21, 2022 •
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make float not act like float | int (and complex act like complex | float) , and bytes not act like bytes | memoryview | bytearray

we can still infer float | int though:

a = 1
reveal_type(a) # float | int

will support configuration per module, to preserve compatibility:

from thirdparty import some_float
reveal_type(some_float) # float | int
@KotlinIsland KotlinIsland mentioned this issue Mar 3, 2022
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@KotlinIsland KotlinIsland added the p-1 high label Mar 8, 2022
@KotlinIsland KotlinIsland changed the title disable ducktyping mode disable promotions Aug 9, 2024
@KotlinIsland KotlinIsland mentioned this issue Aug 9, 2024
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@KotlinIsland KotlinIsland mentioned this issue Sep 6, 2024
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@jorenham
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jorenham commented Sep 7, 2024

I currently always use (at least) the following (undocumented) settings in vanilla mypy:

disable_bytearray_promotion = true
disable_memoryview_promotion = true

so how about something like:

disable_int_promotion = true
disable_float_promotion = true

@KotlinIsland KotlinIsland linked a pull request Oct 27, 2024 that will close this issue
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@KotlinIsland KotlinIsland mentioned this issue Nov 6, 2024
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demote float and int KotlinIsland/basedmypy
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@jorenham @KotlinIsland