[cxx-interop] Add documentation about inferring SWIFT_SHARED_REFERENCE in c++ inheritance #1078
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…E in c++ inheritance
fahadnayyar
requested review from
timsneath,
tkremenek,
shahmishal and
davelester
as code owners
Xazax-hun
reviewed
Jun 11, 2025
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cc @egorzhdan |
egorzhdan
reviewed
Jun 13, 2025
fahadnayyar
requested review from
0xTim,
alexandersandberg,
daveverwer,
dempseyatgithub,
kaishin and
federicobucchi
as code owners
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CC: @j-hui |
fahadnayyar
commented
Jul 1, 2025
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CC: @ravikandhadai |
j-hui
reviewed
Jul 2, 2025
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This patch needs 2 important things to be included:
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fahadnayyar
commented
Jul 4, 2025
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| When a C++ type inherits from a `SWIFT_SHARED_REFERENCE` base type, the Swift compiler automatically infers `SWIFT_SHARED_REFERENCE` annotation for the derived type. | ||
| The derived type also gets imported as a reference type, and uses the same `retain` and `release` functions as its base class. | ||
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@j-hui I changed some text based on your suggestions but added my flavor as well. How does it look now?
fahadnayyar
commented
Jul 7, 2025
| @@ -1255,6 +1255,17 @@ object.doSomething() | |||
| // `object` will be released here. | |||
| ``` | |||
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| ### Inference of Shared Reference behaviour in Derived Types | |||
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including this in PR-1106 |
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Adding a sentence in the documentation thatthe foreign-reference annotations are now propagated to inherited C++ types