Auto merge of #106934 - DrMeepster:offset_of, r=WaffleLapkin

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Add offset_of! macro (RFC 3308)

Implements https://github.com/rust-lang/rfcs/pull/3308 (tracking issue #106655) by adding the built in macro `core::mem::offset_of`. Two of the future possibilities are also implemented:

* Nested field accesses (without array indexing)
* DST support (for `Sized` fields)

I wrote this a few months ago, before the RFC merged. Now that it's merged, I decided to rebase and finish it.

cc `@thomcc` (RFC author)

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bors 2023-04-22 00:10:44 +00:00

parent 8a76857c06 c353ea0e93

commit 6d4a39dc9e

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