progscrape: play.rust-lang.org

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Example of how to handle references to static mut in Edition 2024

8 months ago play.rust-lang.org rust

serde_json deserialization failing with internally tagged enum representation

12 months ago play.rust-lang.org rust

You can make generators in stable Rust without any proc macros

13 months ago play.rust-lang.org rust

Why is 99999999.0f32 equal to both itself and 100000000.0f32?

14 months ago play.rust-lang.org rust

Why does only the const version of Iterator compile?

14 months ago play.rust-lang.org rust

How do I make this macro more simple?

14 months ago play.rust-lang.org rust

An updated version of my function that can only be called a set number of times enforced at compile time using const generics and some other nightly features.

18 months ago play.rust-lang.org rust

Error: One type is more general than the other

20 months ago play.rust-lang.org rust

What's the difference between `_ = "x";` and `let _ = "x";`. Both seem to be exactly the same.

21 months ago play.rust-lang.org rust

Using feature(negative_impls), it's possible to create a Different trait which can be used to bypass certain conflicting implementations

21 months ago play.rust-lang.org rust

Rust Oddity: Can't Touch This

2 years ago play.rust-lang.org rust

Perhaps not a new discovery, but: box syntax on stable by (ab)using the fact that vec![x] expands to (box [x]).into_vec() (check asm)

2 years ago play.rust-lang.org

Function that can only be called a set number of times enforced at compile time using const generics. (Useless but fun). (Nightly only).

2 years ago play.rust-lang.org

I could never understand the Monty Hall problem, so I wrote this story/program, which finally helped me wrap my head around it!

2 years ago play.rust-lang.org

Some experimentation with storing arbitrary data in fat pointers. I tried to explain everything with comments

2 years ago play.rust-lang.org

Finally, `HashMap` can be constructed in `const` contexts on stable without `SyncLazy` or `lazy_static`..

3 years ago play.rust-lang.org

Would you be interested in a `SliceAtleast` crate?

3 years ago play.rust-lang.org

I hadn't seen an example of it being done, but I was happy to find that struct destructuring can be nested.

3 years ago play.rust-lang.org

It's possible to make unimplementable traits in Rust

3 years ago play.rust-lang.org rust

Concatenating arrays at compile-time in Rust 1.51! (Currently available in Beta)

3 years ago play.rust-lang.org rust

Is there a simpler and safer way to get mutable references to different elements of a Vec?

3 years ago play.rust-lang.org

Simulating Higher-kinded type by associated type and implementing Monad on top of it.

3 years ago play.rust-lang.org monad

Struggling with generic associated types, function signatures and trait associated types.

3 years ago play.rust-lang.org

Fun with GATs (and other unstable features)

3 years ago play.rust-lang.org

GATs on Nightly!

3 years ago play.rust-lang.org

A type that represents a subset of f32 values using const generics.

4 years ago play.rust-lang.org

`const_trait_impl` is pretty sweet

4 years ago play.rust-lang.org

Could this work, by inference?

4 years ago play.rust-lang.org

An efficient bit pattern matcher parsed at compiletime

4 years ago play.rust-lang.org

Rust Playground (In the Browser)

4 years ago play.rust-lang.org rust