Add casting rules from function items to other types #878
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Havvy
reviewed
Aug 17, 2020
src/expressions/operator-expr.md
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| | Closure \*\* | Function pointer | Closure to function pointer cast | | ||
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| [Function pointer]: ../types/function-pointer.md |
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These should be at the bottom of the page with the other link refs in alphabetical order.
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I agree about putting links at page bottom. However currently link order is not alphabetical.
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And sorting so will make the diff bigger.
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Havvy
approved these changes
Aug 17, 2020
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They do indeed look stable. There's even issues on rust-lang/rust showing the item to pointer casts. Thanks for the addition @lzutao ! 💟 |
bors
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Aug 20, 2020
Update books ## nomicon 2 commits in bfe1ab96d717d1dda50e499b360f2e2f57e1750a..25854752549d44d76fbd7650e17cb4f167a0b8fb 2020-06-05 13:19:42 -0400 to 2020-08-19 16:41:48 -0400 - Follow-up of rust-lang#75152 (rust-lang/nomicon#235) - Follow-up for rust-lang#74850 (rust-lang/nomicon#233) ## reference 7 commits in c9b2736a059469043177e1e4ed41a55d7c63ac28..1b6c4b0afab97c0230433466c97167bbbe8445f6 2020-08-03 03:34:03 -0700 to 2020-08-18 17:04:28 -0700 - Some constant/static updates. (rust-lang/reference#867) - Add casting rules from function items to other types (rust-lang/reference#878) - Apply joshtriplett's suggestion - Add note clarifying 16-bit support. - Document min pointer width. - Update to `dyn Trait` syntax in a couple places (rust-lang/reference#875) - mention that `#[track_caller]` on `fn main` is forbidden (rust-lang/reference#872) ## book 2 commits in 363293c1c5ce9e84ea3935a5e29ce8624801208a..c0a6a61b8205da14ac955425f74258ffd8ee065d 2020-08-03 15:56:30 -0500 to 2020-08-14 14:21:49 -0500 - Correct listing 11-10: Take tests module out of main function. (rust-lang/book#2427) - Update link to russian translation (rust-lang/book#2423) ## rust-by-example 5 commits in 2e9271981adc32613365810f3428334c07095215..80a10e22140e28392b99d24ed02f4c6d8cb770a0 2020-07-27 13:39:16 -0500 to 2020-08-08 09:56:46 -0300 - Add tuple `..` operator example (rust-lang/rust-by-example#1368) - Clarify wording (rust-lang/rust-by-example#1366) - Include arc (rust-lang/rust-by-example#1365) - Modify supertraits sample code (rust-lang/rust-by-example#1361) - Remove mention of `try!` in `Display` example (rust-lang/rust-by-example#1357) ## embedded-book 3 commits in b5256448a2a4c1bec68b93c0847066f92f2ff5a9..0cd2ca116274b915924c3a7e07c1e046b6f19b77 2020-07-24 23:09:29 +0000 to 2020-08-19 10:33:15 +0000 - Ignore unused argument in closure (rust-embedded/book#261) - Fix broken sentence (rust-embedded/book#260) - Add additional command to try when verifying installation. (rust-embedded/book#259)
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There casting rules have been already compilable in stable Rust: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=837e70f00bbcbf16f91cfc1c8016af8e
Zulip discussion: https://rust-lang.zulipchat.com/#narrow/stream/213817-t-lang/topic/Reference.20missing.20casting.20rules.20for.20function.20items