xargo
case-studies
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xargo | case-studies | |
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2 | 11 | |
1,076 | 1,595 | |
- | - | |
0.0 | 3.7 | |
11 months ago | 6 months ago | |
Rust | Rust | |
Apache License 2.0 | Apache License 2.0 |
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xargo
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How to fully replace/reimplement std?
I think you can use xargo for this with:
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Hey Rustaceans! Got an easy question? Ask here (53/2020)!
If you need to pass arguments to rustc, try cargo rustc or RUSTFLAGS instead of invoking it manually. If you're cross-compiling, check out cross (uses Docker) or xargo.
case-studies
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::lending-iterator — Lending/streaming Iterators on Stable Rust (and a pinch of HKT)
Luckily there is a workaround to emulate such a definition, which dtolnay discovered and explained here: https://github.com/dtolnay/case-studies/tree/b9802f6df8dc8e54970b83fb9af6df923b46abf5/unit-type-parameters.
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Hey Rustaceans! Got a question? Ask here! (17/2022)!
I think they are talking about this one trick which the devs don't want you to know about. Note that while it looks like specialization, it works only in a few very limited cases and is quite fragile, so it's a hack, not a substitute for the real feature.
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Any good resources for learning Rust macros?
Also I suggest his case studies repo since you are looking at what is possible: https://github.com/dtolnay/case-studies
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What are some creative/advanced uses of macro_rules?
/u/dtolnay has a great case studies repository.
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Hey Rustaceans! Got an easy question? Ask here (29/2021)!
Once you have the basics down, read dtolnay's case studies. They show how to do advanced stuff with easy macros.
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Hey Rustaceans! Got an easy question? Ask here (11/2021)!
You can use "Autoref-based stable specialization" or use/mimic the impls crate.
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Why I gave up on Rust (for now)
With a subset of specialization likely riding the trains soon and a workaround available, why would you give up?
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Hey Rustaceans! Got an easy question? Ask here (10/2021)!
Addendum: Technically there are various hacks out in the wild that can get something like this working using macros, but their usefulness is more limited. Once generics are in play, they stop working for the same reason and you are back to square one. Such approaches include autoref specialization which (ab)uses type inferrence to select different methods with the same name (kind of similar to what you seemed to be trying to do) and OIBIT specialization, which relies on a different nightly feature.
this works since values and types are in different namespaces (see: Rusts Universes or dtolnay's Case Study about "Unit struct with type parameters")
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Hey Rustaceans! Got an easy question? Ask here (53/2020)!
To do this with traits you would need specialization but since you are using macros you should be able to use "Autoref-based stable specialization". Here is a playground which uses the latter approach to implement the wanted macro without using any nightly features.
What are some alternatives?
rust-cross - Everything you need to know about cross compiling Rust programs!
Rustup - The Rust toolchain installer
semantic-rs
mini-redis - Incomplete Redis client and server implementation using Tokio - for learning purposes only
Clippy - A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/
cargo-linked - Display linked packages for compiled rust binaries
Racer - Rust Code Completion utility
Buzzard - 🦀 Learning Rust by Examples.
rocket-auth-login - Authentication and login processing for Rust's Rocket web framework. Demonstrates a working example of how to authenticate users and process login as well as how to handle logging out.
FreeRTOS-rust - Rust crate for FreeRTOS
proc-macro-crate - `$crate` in procedural macros.