Search Results for "macro"
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Showing 11 open source projects for "macro"
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Rust Latam
Learn to write Rust procedural macros
This is a workshop/repository by the Rust developer David Tolnay (dtolnay) intended to teach how to write Rust procedural macros (derive macros, function-like macros, attribute macros). The repo contains multiple toy/realistic macro projects drawn from real use-cases: e.g., derive(Builder), derive(CustomDebug), seq!, #[sorted], #[bitfield]. The README indicates the focus is on learning: parsing token streams, generating code, handling generics, attribute arguments, etc. It has test harness and workflow guidance. Because procedural macros are quite subtle in Rust, this workshop is a strong resource for anyone wanting to go from beginner to intermediate/advanced macro writing. -
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core.match
An optimized pattern matching library for Clojure
core.match is a high-performance pattern-matching library for Clojure and ClojureScript. It provides an optimized macro-based DSL for structurally matching data—such as sequences, maps, regexes—offering a clearer alternative to nested conditionals or destructuring. A symbol pattern can represent one of three behaviours. Match the value of an existing local binding. Create a "named" wildcard pattern that creates a binding of the given name to the right of the pattern row. -
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derive(Error)
derive(Error) for struct and enum error types
This is a Rust crate that provides a convenient derive macro (#[derive(Error)]) for implementing std::error::Error on your custom error types (structs or enums). The goal is to enable library authors to build expressive, typed error types, with readable Display implementations (via #[error("...")] annotations) as well as From conversions (#[from]), source tracking (#[source]), and optionally backtraces. -
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OpenH264
Open Source H.264 Codec
...OpenH264 is a codec library which supports H.264 encoding and decoding. It is suitable for use in real-time applications such as WebRTC. Constrained Baseline Profile up to Level 5.2 (Max frame size is 36864 macro-blocks). Arbitrary resolution, not constrained to multiples of 16x16. Rate control with adaptive quantization, or constant quantization. -
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Parser for Rust source code
Parser for Rust source code
Parser for Rust source code is a major Rust crate for parsing Rust source code (token streams) into a syntax tree (AST) that procedural macros can inspect or transform. The primary target is macro authors: you can parse TokenStreams into syn::File, syn::Item, syn::Expr, syn::Type, etc. It offers rich data structures, fine-grained parsing, span tracking (for error reporting), traversal and mutation APIs (visit, fold, visit_mut), printing back to tokens, and strong feature-gating so you only compile what you need. The documentation emphasises that while the crate is geared for procedural macros (and custom derives), some of the APIs may be of more general use. ... -
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async-graphql
A GraphQL server library implemented in Rust
Async-graphql is a GraphQL server-side library implemented in Rust. It is fully compatible with the GraphQL specification and most of its extensions and offers type safety and high performance. You can define a Schema in Rust and procedural macros will automatically generate code for a GraphQL query. This library does not extend Rust's syntax, which means that Rustfmt can be used normally. I value this highly and it is one of the reasons why I developed Async-graphql. I like GraphQL and... -
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rust_cmd_lib
Common rust command-line macros and utilities
rust_cmd_lib is a Rust library designed to make it easier to write shell-script–style tasks in Rust, blending the power and safety of Rust with the expressiveness of shell pipelines. It provides macros and utilities that let you spawn external processes, redirect input/output, and pipe commands together, all without invoking a shell. You can write something like run_cmd!(ls -l | grep foo > out.txt) in a more declarative style, rather than manually wiring up file descriptors, handles, and... -
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StringLib C: functional string library
C library defining string type and designed for string manipulation
The stringlib.h library by GreenApple allows easy string manipulation in C language by defining the type 'string' (or '_string') and providing several functions to easily operate with them. All allocation is done automatically, unallocation is done by calling the function 'string_delete(string*)'. Full documentation is present on the library header file. -
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Corrode
C to Rust translator
...It handles common C features such as pointers, structs, enums, arrays, and function calls, while flagging areas that need attention during the migration. Preprocessor handling and tricky macro patterns are approached pragmatically, aiming for working output over exhaustive transformation. As a proof-of-concept, it demonstrates how automated tooling can accelerate moving from legacy C to a memory-safe language without a full rewrite. -
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define-ext
Plugin-based foreign code embedder for newLISP
==== NB: All new development is continued at http://github.com/rowanthorpe/define-ext and newer versions can be found there. The versions found here are for archival purposes only. ==== A newLISP - www.newlisp.org - macro which allows the user to "define" callable foreign code inline just as they would "define" a lambda or macro. C, Assembly and plain Object Code plugins are included. The Object Code plugin has no external dependencies. The C and Assembly plugins rely on the existence of a TCC .dll/.so file somewhere in the PATH - www.tinycc.org (at present standard binary releases of TCC don't include the .dll/.so file, but it can be easily compiled from the source releases). ... -
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An Error Handler for C/C++ funtions, focused on code readability. It allows a clear control flow, adding Ignore, Retry, Jump, and Back functionality when a function returns error. It's macro based, written in C and targeting embedded systems.
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