Question 1

How to write a nested loop query with Linq-in-Rust?

Accepted Answer

Use multiple `from` clauses in the `linq!` macro. For example, `linq!(from p in x, from t in 0..p, select t)` iterates over nested collections, as shown in the README's from clause section.

Question 2

Linq-in-Rust vs standard Rust iterators: which is better?

Accepted Answer

Linq-in-Rust excels for expressive, LINQ-style queries if you're coming from .NET, but standard iterators are more idiomatic in Rust and have no dependencies. Choose based on team familiarity and query complexity.

Question 3

Does Linq-in-Rust support SQL-like joins?

Accepted Answer

No, the `join` operation is not yet implemented, as indicated in the method list. For join-like functionality, you'll need to use other methods or fall back to standard Rust code.

Question 4

How to install and use Linq-in-Rust in a Cargo project?

Accepted Answer

Add `linq` to your Cargo.toml dependencies, then import `use linq::linq;` and `use linq::iter::Enumerable;` in your code. The README's usage section provides examples for both methods and macros.

Question 5

What's the performance impact of using Linq-in-Rust?

Accepted Answer

It integrates with Rust's iterators, so runtime performance is similar, but the macro expansion may add compile-time overhead. For critical paths, benchmark against native iterator chains.

Question 6

Can I use Linq-in-Rust with async iterators?

Accepted Answer

The README doesn't mention async support, so it likely only works with synchronous iterators. Check the docs or GitHub issues for updates on async compatibility.

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