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cargo-expand reviews and mentions
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What is Rust doing behind the scenes?
It's been superseded by https://github.com/dtolnay/cargo-expand
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Why dereferencing coercion is not used here?
Try installing cargo expand, it's useful to see how macros eventually get expanded. For example, if you run cargo expand on the following code
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Procedural Macros are really hard to understand
You can use cargo expand to see what your code expands to: https://github.com/dtolnay/cargo-expand
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[blog] Rust should own its debugger experience
Not too familiar with macros but does cargo-expand do what you want or did you mean something else?
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Help me understand the borrowing and moving variable concept!
Yes. You can use Tools > Expand Macro on the playground or install and run cargo-expand to see what the macro expands to. It just adds a & before the argument.
- Advanced Metaprogramming in C: A select statement
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How does declaring variables in macros work
cargo expand
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How to see macro's source code in crate?
Along with what others are saying, there is also cargo expand which can show you what code a macro generates
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How does Rust Python ffi work?
Something that may help you understand code with magic proc macros is this utility. It's basically a wrapper around a Rust compiler flag that allows you to expand macros for a file.
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How does libtest know which functions are marked with #[test]?
You can use https://github.com/dtolnay/cargo-expand to examine how it works.
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A note from our sponsor - WorkOS
workos.com | 23 Apr 2024
Stats
dtolnay/cargo-expand is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of cargo-expand is Rust.
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