Add a section dedicated to Edition 2024 changes to temporary scopes #1592
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The reference isn't intended to have guide-like material. Most of this should be covered in the edition guide.
This is no longer true in 2024
The style of the reference is to document the latest edition in the main body of the text, and any differences in a separate block. As a compromise, I included links to the edition description.
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This was referenced Nov 25, 2024
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Update cargo and books 10 commits in 66221abdeca2002d318fde6efff516aab091df0e..4c39aaff66862cc0da52fe529aa1990bb8bb9a22 2024-11-19 21:30:02 +0000 to 2024-11-25 16:36:17 +0000 - feat: Stabilize Edition 2024 (rust-lang/cargo#14828) - Improve error handling when PathSource is relative (rust-lang/cargo#14854) - test: address test output nondeterminism (rust-lang/cargo#14855) - chore: move supports-unicode to workspace deps (rust-lang/cargo#14853) - Check build target supports std when building with -Zbuild-std=std (rust-lang/cargo#14183) - fix(publish): Allow dry-run of a non-bumped workspace (rust-lang/cargo#14847) - test: Switch from 'exec_with_output' to 'run' (rust-lang/cargo#14848) - test(rustflags): Verify -Cmetadata directly, not through -Cextra-filename (rust-lang/cargo#14846) - chore: remove bors mentions (rust-lang/cargo#14845) - Clarify how `cargo::metadata` env var is selected (rust-lang/cargo#14842) ## nomicon 1 commits in eac89a3cbe6c4714e5029ae8b5a1c556fd4e8c42..0674321898cd454764ab69702819d39a919afd68 2024-11-16 14:05:28 +0000 to 2024-11-19 12:35:48 +0000 - races: Clarify a “mostly” that might be misread (rust-lang/nomicon#468) ## reference 12 commits in 41ccb0e6478305401dad92e8fd3d04a4304edb4c..5c86c739ec71b8bc839310ff47fa94e94635bba9 2024-11-15 21:45:16 +0000 to 2024-11-25 17:23:35 +0000 - Document `gen` keyword as reserved in Rust 2024 (rust-lang/reference#1501) - 2024: Update `expr` macro fragment specifier (rust-lang/reference#1639) - Add rust_2024 prelude (rust-lang/reference#1552) - 2024: Add reserved syntax (rust-lang/reference#1652) - Add Lifetime Capture Rules 2024 (rust-lang/reference#1601) - Add a section dedicated to Edition 2024 changes to temporary scopes (rust-lang/reference#1592) - 2024: Add unsafe attribute differences (rust-lang/reference#1579) - 2024: Add updates for unsafe extern blocks (rust-lang/reference#1565) - Fix rule for lazy boolean temporary drop scope (rust-lang/reference#1681) - Raw lifetimes (rust-lang/reference#1603) - Fix some missing emdashes (rust-lang/reference#1676) - Added an additional example of lifetime elision (rust-lang/reference#1678) ## rustc-dev-guide 6 commits in b679e71..787b416 2024-11-18 16:18:15 +0800 to 2024-11-22 11:17:57 +0000 - Remove constants section as it is outdated - Flatten generic parameter defs section - Add instructions to test error code docs (rust-lang/rustc-dev-guide#2145) - Reorganize the "Source Code Representation" chapters (rust-lang/rustc-dev-guide#2142) - Make `Diag` a clickable link in Suggestion section (rust-lang/rustc-dev-guide#2140) - update for rustc_intrinsic_const_stable_indirect (rust-lang/rustc-dev-guide#2138) ## edition-guide 6 commits in 915f9b319c2823f310430ecdecd86264a7870d7e..f48b0e842a3911c63240e955d042089e9e0894c7 2024-11-06 07:23:07 +0000 to 2024-11-25 16:20:27 +0000 - Update for 2024 stabilization (rust-lang/edition-guide#338) - Enable triagebot merge-conflicts and shortcuts (rust-lang/edition-guide#336) - Organize the 2024 chapters into sub-chapters by category (rust-lang/edition-guide#334) - Fix broken Cargo Book link in cargo-resolver.md (rust-lang/edition-guide#335) - Edition 2024 guide for temporary lifetime changes (rust-lang/edition-guide#318) - 2024: rustfmt sorting (rust-lang/edition-guide#332)
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Update cargo and books 10 commits in 66221abdeca2002d318fde6efff516aab091df0e..4c39aaff66862cc0da52fe529aa1990bb8bb9a22 2024-11-19 21:30:02 +0000 to 2024-11-25 16:36:17 +0000 - feat: Stabilize Edition 2024 (rust-lang/cargo#14828) - Improve error handling when PathSource is relative (rust-lang/cargo#14854) - test: address test output nondeterminism (rust-lang/cargo#14855) - chore: move supports-unicode to workspace deps (rust-lang/cargo#14853) - Check build target supports std when building with -Zbuild-std=std (rust-lang/cargo#14183) - fix(publish): Allow dry-run of a non-bumped workspace (rust-lang/cargo#14847) - test: Switch from 'exec_with_output' to 'run' (rust-lang/cargo#14848) - test(rustflags): Verify -Cmetadata directly, not through -Cextra-filename (rust-lang/cargo#14846) - chore: remove bors mentions (rust-lang/cargo#14845) - Clarify how `cargo::metadata` env var is selected (rust-lang/cargo#14842) ## nomicon 1 commits in eac89a3cbe6c4714e5029ae8b5a1c556fd4e8c42..0674321898cd454764ab69702819d39a919afd68 2024-11-16 14:05:28 +0000 to 2024-11-19 12:35:48 +0000 - races: Clarify a “mostly” that might be misread (rust-lang/nomicon#468) ## reference 12 commits in 41ccb0e6478305401dad92e8fd3d04a4304edb4c..5c86c739ec71b8bc839310ff47fa94e94635bba9 2024-11-15 21:45:16 +0000 to 2024-11-25 17:23:35 +0000 - Document `gen` keyword as reserved in Rust 2024 (rust-lang/reference#1501) - 2024: Update `expr` macro fragment specifier (rust-lang/reference#1639) - Add rust_2024 prelude (rust-lang/reference#1552) - 2024: Add reserved syntax (rust-lang/reference#1652) - Add Lifetime Capture Rules 2024 (rust-lang/reference#1601) - Add a section dedicated to Edition 2024 changes to temporary scopes (rust-lang/reference#1592) - 2024: Add unsafe attribute differences (rust-lang/reference#1579) - 2024: Add updates for unsafe extern blocks (rust-lang/reference#1565) - Fix rule for lazy boolean temporary drop scope (rust-lang/reference#1681) - Raw lifetimes (rust-lang/reference#1603) - Fix some missing emdashes (rust-lang/reference#1676) - Added an additional example of lifetime elision (rust-lang/reference#1678) ## rustc-dev-guide 6 commits in b679e71..787b416 2024-11-18 16:18:15 +0800 to 2024-11-22 11:17:57 +0000 - Remove constants section as it is outdated - Flatten generic parameter defs section - Add instructions to test error code docs (rust-lang/rustc-dev-guide#2145) - Reorganize the "Source Code Representation" chapters (rust-lang/rustc-dev-guide#2142) - Make `Diag` a clickable link in Suggestion section (rust-lang/rustc-dev-guide#2140) - update for rustc_intrinsic_const_stable_indirect (rust-lang/rustc-dev-guide#2138) ## edition-guide 6 commits in 915f9b319c2823f310430ecdecd86264a7870d7e..f48b0e842a3911c63240e955d042089e9e0894c7 2024-11-06 07:23:07 +0000 to 2024-11-25 16:20:27 +0000 - Update for 2024 stabilization (rust-lang/edition-guide#338) - Enable triagebot merge-conflicts and shortcuts (rust-lang/edition-guide#336) - Organize the 2024 chapters into sub-chapters by category (rust-lang/edition-guide#334) - Fix broken Cargo Book link in cargo-resolver.md (rust-lang/edition-guide#335) - Edition 2024 guide for temporary lifetime changes (rust-lang/edition-guide#318) - 2024: rustfmt sorting (rust-lang/edition-guide#332)
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Tracked by rust-lang/rust#124085
Tracked by rust-lang/rust#123739
cc @traviscross coordinating Edition 2024 project
This PR introduces two changes to the language reference, to better illustrate the new Edition 2024 rules on temporary scopes.