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WeAreDevelopers LIVE • Jan 25, 2024

Crafting Custom Frameworks with Rust: A Deep Dive into Procedural Macros

Mykhailo Maidan

Stop writing dense boilerplate for event-driven Rust apps. Discover how advanced procedural macros and AST parsing can simulate function overloading behind beautifully clean APIs.

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#1 about 2 min

Evaluating the advantages of Rust macros for boilerplate reduction

Generating boilerplate code dynamically during build time simplifies developer tools.

#2 about 2 min

Navigating the disadvantages and maintenance costs of procedural macros

Debugging and testing limitations increase the complexity of maintaining custom frameworks.

#3 about 4 min

Exploring declarative and procedural macro subtypes in Rust environments

Procedural macros manipulate abstract syntax trees to implement complex meta-programming behaviors.

#4 about 7 min

Designing an event-driven framework using custom procedural macros

Replacing repetitive interface implementations with attribute macros streamlines simulated event handlers.

#5 about 3 min

Solving macro expansion order issues with custom metadata generation

Saving abstract tree states before compilation ensures expanding macros share necessary contextual information.

#6 about 4 min

Implementing a metadata analyzer inside Rust build scripts

Analyzing abstract syntax trees inside build scripts captures essential architectural requirements before compilation.

#7 about 4 min

Parsing Rust implementations using the Syn crate and inline modules

Combining syntax tree parsers and environment paths extracts crate contexts comprehensively across isolated modules.

#8 about 4 min

Extracting syntax tree semantics with the Syn visitor trait

Traversal functions validate structural implementations during metadata collection to enforce mandatory compile-time constraints.

#9 about 3 min

Managing disk storage for crate metadata and framework configuration

Serializing crate structures to local dependency directories ensures isolated and predictable macro execution.

#10 about 4 min

Modifying token streams to safely override framework function names

Mutable token stream visitors alter internal structures to simulate unsupported language features like overloading.

#11 about 6 min

Evaluating developer experience tradeoffs within custom macro frameworks

Strict compile-time validation yields safe usage patterns but introduces higher build times and testing friction.

#12 about 3 min

Visualizing complex event architectures using extracted procedural macro metadata

Utilizing parsed definitions produces interactive diagrams mapping interconnected dependencies and event subscriptions.

#13 about 12 min

Addressing ecosystem integration, testing friction, and platform compatibility challenges

Leveraging specific diagnostic strategies alongside compiler configurations overcomes constraints in complex meta-programming workflows.

Matching moments

5:24 min

Abstracting shared behaviors using traits and custom macros

Rainer Stropek Rainer Stropek · World Congress 2021

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Limitations of type systems and procedural macros

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9:46 min

Exploring the rising adoption and versatility of Rust

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Why learning Rust offers strategic advantages for web developers

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1:41 min

Looking toward the future abstraction levels of Rust frameworks

Marco Otte-Witte · World Congress 2023

1:33 min

Balancing custom abstractions with declarative template environments

Robert Hoffmann Robert Hoffmann · World Congress 2022

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