Add Cargo comment to the try! macro example.
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In Rust "2018", `try!` macro is deprecated, and `try` is a reserved keyword. If you're using Cargo to compile the code using this syntax, you'll get an error message. To fix it, you need to change the value of the `edition` field in the `Cargo.toml` file back to "2015".
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r? @marioidival (rust_highfive has picked a reviewer for you, use r? to override) |
marioidival
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Jun 14, 2019
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@Rosto75 thank you |
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Jun 21, 2019
Update mdbook This updates to mdbook 0.3.0. This release includes the following changes: https://github.com/rust-lang-nursery/mdBook/blob/master/CHANGELOG.md#mdbook-030 One of the biggest changes is the update to pulldown-cmark. This also bumps the submodules (except the nomicon which has some broken links). ## reference 6 commits in f8ae436..08ae27a 2019-05-31 14:59:12 +0200 to 2019-06-17 11:24:13 -0700 - Document `underscore_const_names` (rust-lang/reference#620) - Describe `#[repr(align(x))]` semantics on `enum`s (rust-lang/reference#619) - Fix typo in lazy_static example. (rust-lang/reference#622) - Rust 2015 supports Kleene ? macro operator (rust-lang/reference#617) - Bitrig support has been removed (rust-lang/reference#615) - Fix spell error in attributes/diagnostics.md (rust-lang/reference#614) ## book 8 commits in 62a8c6f25fbd981c80a046f3b04be9684749af3b..9aacfcc4c5b102c8cda195932addefd32fe955d2 2019-05-28 15:48:23 -0400 to 2019-06-16 21:27:26 -0400 - Add a script to help diff rendered books - Update mdbook links (rust-lang/book#1989) - Update for markdown changes. (rust-lang/book#1984) - Make all mentions of crates.io consistent - Propagate corrections made in layout - Add link to Swedish translation - Propagate small edits made in layout - Remove snapshot files that have been checked with layout ## rust-by-example 3 commits in d8eec1dd65470b9a68e80ac1cba8fad0daac4916..b27472962986e85c94f4183b1a6d2207660d3ed6 2019-06-08 10:15:22 -0300 to 2019-06-17 15:52:07 -0300 - Update `macro_rules!` formatting. (rust-lang/rust-by-example#1205) - Add Cargo comment to the `try!` macro example. (rust-lang/rust-by-example#1203) - Fix typo (rust-lang/rust-by-example#1204) ## rustc-guide 15 commits in 3ac9cfc..f55e97c 2019-06-02 19:36:58 -0500 to 2019-06-15 17:29:12 -0500 - fix typos - Update for TyCtxt<'a, 'gcx, 'tcx> -> TyCtxt<'tcx>. - fix ci failures, typos, broken links - Some edits to address review comments - Notes about closure de-sugaring - add note about rebuilding llvm - Changes to config.toml require a clean - Fix a few typos in type inference chapter - Add triagebot (rust-lang/rustc-dev-guide#337) - Update how-to-build-and-run.md - Update how-to-build-and-run.md - Update compiler-debugging.md - use debug instead of debuginfo-level - Replaced tabs with spaces - correct indentation ## edition-guide 4 commits in 581c6cccfaf995394ea9dcac362dc8e731c18558..f8072acde5ce29c7570d7986180bbded2d22e287 2019-05-06 12:47:44 -0700 to 2019-06-14 23:27:05 +0200 - Small fixes (rust-lang/edition-guide#179) - Cleanup unused NLL link (rust-lang/edition-guide#167) - Part 2: Rust 2015 now supports ? macro rep op (rust-lang/edition-guide#163) - Part 1: Rust 2015 now supports ? macro rep op (rust-lang/edition-guide#162) ## embedded-book 1 commits in f0c75b75f9c18537b78f5d17c1015247e9a49c86..ef27b517dcd0b990c888c0d7caeff52a5a115619 2019-06-03 10:49:02 +0000 to 2019-06-18 22:59:47 +0000 - Fix link for more strict commonmark interpretation. (rust-embedded/book#194)
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In Rust "2018",
try!macro is deprecated, andtryis a reserved keyword. If you're using Cargo to compile the code using this syntax, you'll get an error message. To fix it, you need to change the value of theeditionfield in theCargo.tomlfile back to "2015".