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| author | Jubilee <workingjubilee@gmail.com> | 2024-10-24 23:23:54 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-10-24 23:23:54 -0700 |
| commit | fd78b671a88a8b5c3470234bcd52a84fc552d510 (patch) | |
| tree | d7e5341d7c7b591cc1d4bb79c1291a5978b9ed69 /compiler/rustc_mir_transform/src | |
| parent | 788202a2cef5dde0743490fd51515f373d4207a6 (diff) | |
| parent | 5280f152b0dad9faf33478a06c6a1cdf97b71ae4 (diff) | |
| download | rust-fd78b671a88a8b5c3470234bcd52a84fc552d510.tar.gz rust-fd78b671a88a8b5c3470234bcd52a84fc552d510.zip | |
Rollup merge of #131457 - kpreid:fnaddr, r=dtolnay
Expand `ptr::fn_addr_eq()` documentation. * Describe more clearly what is (not) guaranteed, and de-emphasize the description of rustc implementation details. * Explain what you *can* reliably use it for. Tracking issue for `ptr_fn_addr_eq`: #129322 The motivation for this PR is that I just learned that `ptr::fn_addr_eq()` exists, read the documentation, and thought: “*I* know what this means, but someone not already familiar with how `rustc` works could be left wondering whether this is even good for anything.” Fixing that seems especially important if we’re going to recommend people use it instead of `==` (as per #118833).
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