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Add do yeet expressions to allow experimentation in nightly

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Using an obviously-placeholder syntax.  An RFC would still be needed before this could have any chance at stabilization, and it might be removed at any point.

But I'd really like to have it in nightly at least to ensure it works well with try_trait_v2, especially as we refactor the traits.
This commit is contained in:
Scott McMurray 2022-03-25 23:43:54 -07:00
parent 2c858a7c3f
commit e094ee5f10
23 changed files with 236 additions and 3 deletions
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2
compiler/rustc_feature/src/active.rs
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@ -544,6 +544,8 @@ declare_features! (
(active, used_with_arg, "1.60.0", Some(93798), None),
/// Allows `extern "wasm" fn`
(active, wasm_abi, "1.53.0", Some(83788), None),
/// Allows `do yeet` expressions
(active, yeet_expr, "1.62.0", Some(96373), None),
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
// Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!