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FFI niche counting #2793

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appetrosyan opened this issue Sep 27, 2022 · 1 comment
Closed

FFI niche counting #2793

appetrosyan opened this issue Sep 27, 2022 · 1 comment

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@appetrosyan
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    So only case when enum does't have niche is when it has number of variants equal to `ffi_type::MAX - ffi_type::MIN`, we could check this condition during macro expansion.

Then we could do the following to find niche value, we can't find niche during expansion because discriminant is expression.

Originally posted by @Erigara in #2625 (comment)
@mversic
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mversic commented Sep 27, 2022

Closed in favor of #2794

@mversic mversic closed this as completed Sep 27, 2022
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@appetrosyan @mversic