sdf_2d
case-studies
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sdf_2d | case-studies | |
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3 | 11 | |
2 | 1,601 | |
- | - | |
0.0 | 3.8 | |
over 1 year ago | about 1 month ago | |
Rust | Rust | |
- | Apache License 2.0 |
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sdf_2d
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Hey Rustaceans! Got an easy question? Ask here (14/2021)!
For anyone interested, here is a branch with the broken code: https://github.com/doup/sdf_2d/blob/feature/egui/src/main.rs#L422
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Hey Rustaceans! Got an easy question? Ask here (11/2021)!
Is that correct? I've written down what I understand as a comment in my code: https://github.com/doup/sdf_2d/blob/master/src/sdf.rs#L13-L18 Is the explanation correct?
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Hey Rustaceans! Got an easy question? Ask here (8/2021)!
Hi! I've been trying to add Rayon to a toy project I'm working on. First I changed my code to use iterators using chunks_mut (code here)… now I've changed to par_chunks_mut but I'm getting the following error:
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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println use `Debug` if argument is not `Display`
If you were writing your own println macro, you might be able to get away with this kind of hack: https://github.com/dtolnay/case-studies/blob/master/autoref-specialization/README.md
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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)!
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?
sqlx - 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.
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.
cached - Rust cache structures and easy function memoization
mini-redis - Incomplete Redis client and server implementation using Tokio - for learning purposes only
hashes - Collection of cryptographic hash functions written in pure Rust
xargo - The sysroot manager that lets you build and customize `std`
rocket_auth - An implementation for an authentication API for Rocket applications.
proc-macro-crate - `$crate` in procedural macros.
reddit-help
parquet2 - Fastest and safest Rust implementation of parquet. `unsafe` free. Integration-tested against pyarrow
oxidoist-api - A Rust Crate providing an API wrapper for Todoist.
cargo-expand - Subcommand to show result of macro expansion