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## Summary Disallow `extern` without an explicit ABI in a new edition. Write `extern "C"` (or another ABI) instead of just `extern`. ```diff - extern { … } + extern "C" { … } - extern fn foo() { … } + extern "C" fn foo() { … } ``` ## Motiva...
## Summary [summary]: #summary * We introduce the concept of "target modifier". A target modifier is a flag where it may be unsound if you link together two compilation units that disagree on the flag. * We fail the build if rustc can see t...
Wrapper types and traits for secret management which help ensure
they aren't accidentally copied, logged, or otherwise exposed
(as much as possible), and also ensure secrets are securely wiped
from memory when dropped.
## Summary [summary]: #summary Support defining `macro_rules!` macros that work as attribute macros. ## Motivation [motivation]: #motivation Many crates provide attribute macros. Today, this requires defining proc macros, in a separate crat...
## Summary [summary]: #summary Support implementing `derive(Trait)` via a `macro_rules!` macro. ## Motivation [motivation]: #motivation Many crates support deriving their traits with `derive(Trait)`. Today, this requires defining proc macro...
## Summary [summary]: #summary Allow `true` and `false` boolean literals as `cfg` predicates, i.e. `cfg(true)`/`cfg(false)`. ## Motivation [motivation]: #motivation Often, we may want to temporarily disable a block of code while working on...
## Summary [summary]: #summary Give users control over the feature unification that happens based on the packages they select. - A way for `cargo check -p foo -p bar` to build like `cargo check -p foo && cargo check -p bar` - A way for `car...
## Summary [summary]: #summary Allow `struct` definitions to provide default values for individual fields and thereby allowing those to be omitted from initializers. When deriving `Default`, the provided values will then be used. For exampl...
"The big gorilla 3D game framework. Apparently it actually works."