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## Summary [summary]: #summary Stabilize implementing panics as aborts. * Stabilize the `-Z no-landing-pads` flag under the name `-C panic=strategy` * Implement a number of unstable features akin to custom allocators to swap out implementat...
## Summary [summary]: #summary Add a new crate type accepted by the compiler, called `cdylib`, which corresponds to exporting a C interface from a Rust dynamic library. ## Motivation [motivation]: #motivation Currently the compiler supports...
## Summary [summary]: #summary This RFC adds the `i128` and `u128` primitive types to Rust. ## Motivation [motivation]: #motivation Some algorithms need to work with very large numbers that don't fit in 64 bits, such as certain cryptographi...
## Summary [summary]: #summary This RFC proposes an evolution of Rust's procedural macro system (aka syntax extensions, aka compiler plugins). This RFC specifies syntax for the definition of procedural macros, a high-level view of their imp...
## Summary [summary]: #summary Add constructor and conversion functions for `std::net::Ipv6Addr` and `std::net::Ipv4Addr` that are oriented around arrays of octets. ## Motivation [motivation]: #motivation Currently, the interface for `std::...
## Summary [summary]: #summary Naming and modularisation for macros. This RFC proposes making macros a first-class citizen in the Rust module system. Both macros by example (`macro_rules` macros) and procedural macros (aka syntax extensions...
## Summary [summary]: #summary Some internal and language-level changes to name resolution. Internally, name resolution will be split into two parts - import resolution and name lookup. Import resolution is moved forward in time to happen i...
## Summary [summary]: #summary Provide a simple model describing three kinds of structs and variants and their relationships. Provide a way to match on structs/variants in patterns regardless of their kind (`S{..}`). Permit tuple structs an...
## Summary [summary]: #summary Permit the `..` pattern fragment in more contexts. ## Motivation [motivation]: #motivation The pattern fragment `..` can be used in some patterns to denote several elements in list contexts. However, it doesn'...
## Summary [summary]: #summary Add a conservative form of abstract return types, also known as `impl Trait`, that will be compatible with most possible future extensions by initially being restricted to: - Only free-standing or inherent fun...
## Summary [summary]: #summary [Unix domain sockets](https://en.wikipedia.org/wiki/Unix_domain_socket) provide a commonly used form of IPC on Unix-derived systems. This RFC proposes move the [unix_socket](https://crates.io/crates/unix_socke...
## Summary [summary]: #summary Stabilize the `volatile_load` and `volatile_store` intrinsics as `ptr::read_volatile` and `ptr::write_volatile`. ## Motivation [motivation]: #motivation This is necessary to allow volatile access to memory-map...
## Summary [summary]: #summary [RFC 1158](https://github.com/rust-lang/rfcs/pull/1158) proposed the addition of more functionality for the `TcpStream`, `TcpListener` and `UdpSocket` types, but was declined so that those APIs could be built...
## Summary [summary]: #summary Rust currently provides a `compare_and_swap` method on atomic types, but this method only exposes a subset of the functionality of the C++11 equivalents [`compare_exchange_strong` and `compare_exchange_weak`](...
## Summary Rust has extend error messages that explain each error in more detail. We've been writing lots of them, which is good, but they're written in different styles, which is bad. This RFC intends to fix this inconsistency by providing...
## Summary [summary]: #summary Allow types with destructors to be used in `static` items, `const` items, and `const` functions. ## Motivation [motivation]: #motivation Some of the collection types do not allocate any memory when constructed...
## Summary [summary]: #summary Provide native support for C-compatible unions, defined via a new "contextual keyword" `union`, without breaking any existing code that uses `union` as an identifier. **Note:** This RFC has been partially supe...
## Summary [summary]: #summary Add a `splice` method to `Vec<T>` and `String` removes a range of elements, and replaces it in place with a given sequence of values. The new sequence does not necessarily have the same length as the range it...
## Summary [summary]: #summary Implement a method, `contains()`, for `Range`, `RangeFrom`, and `RangeTo`, checking if a number is in the range. Note that the alternatives are just as important as the main proposal. ## Motivation [motivation...
## Summary [summary]: #summary Safe `memcpy` from one slice to another of the same type and length. ## Motivation [motivation]: #motivation Currently, the only way to quickly copy from one non-`u8` slice to another is to use a loop, or unsa...
"Like other languages Rust does have footguns. The difference is that we keep ours locked up in the unsafe."