David Tolnay

cxx. Safe interop between Rust and C++

anyhow. Flexible concrete Error type built on std::error::Error

thiserror. derive(Error) for struct and enum error types

proc-macro-workshop. Learn to write Rust procedural macros  [Rust Latam conference, Montevideo Uruguay, March 2019]

syn. Parser for Rust source code

cargo-expand. Subcommand to show result of macro expansion

async-trait. Type erasure for async trait methods

case-studies. Analysis of various tricky Rust code

rust-quiz. Medium to hard Rust questions with explanations

rust-toolchain. Concise GitHub Action for installing a Rust toolchain

quote. Rust quasi-quoting

typetag. Serde serializable and deserializable trait objects

watt. Runtime for executing procedural macros as WebAssembly

inventory. Typed distributed plugin registration

no-panic. Attribute macro to require that the compiler prove a function can't ever panic

paste. Macros for all your token pasting needs

serde-yaml. Strongly typed YAML library for Rust

trybuild. Test harness for ui tests of compiler diagnostics

miniserde. Data structure serialization library with several opposite design goals from Serde

proc-macro2. Rust

linkme. Safe cross-platform linker shenanigans

erased-serde. Type-erased Serialize, Serializer and Deserializer traits

indoc. Indented document literals for Rust

reflect. Compile-time reflection API for developing robust procedural macros (proof of concept)

prettyplease. A minimal `syn` syntax tree pretty-printer

dyn-clone. Clone trait that is object-safe

ryu. Fast floating point to string conversion

semver. Parser and evaluator for Cargo's flavor of Semantic Versioning

request-for-implementation. Crates that don't exist, but should

semver-trick. How to avoid complicated coordinated upgrades

cargo-llvm-lines. Count lines of LLVM IR per generic function

path-to-error. Find out path at which a deserialization error occurred

rustversion. Conditional compilation according to rustc compiler version

itoa. Fast function for printing integer primitives to a decimal string

efg. Conditional compilation using boolean expression syntax, rather than any(), all(), not()

rust-faq. Frequently Asked Questions · The Rust Programming Language

monostate. Type that deserializes only from one specific value

serde-repr. Serialize and deserialize C-like enum as underlying repr

readonly. Struct fields that are made read-only accessible to other modules

cargo-tally. Graph the number of crates that depend on your crate over time

dissimilar. Diff library with semantic cleanup, based on Google's diff-match-patch

colorous. Color schemes for charts and maps

ref-cast. Safely cast &T to &U where the struct U contains a single field of type T.

faketty. Wrapper to exec a command in a pty, even if redirecting the output

proc-macro-hack. Procedural macros in expression position

star-history. Graph history of GitHub stars of a user or repo over time

automod. Pull in every source file in a directory as a module

ghost. Define your own PhantomData

inherent. Make trait methods callable without the trait in scope

seq-macro. Macro to repeat sequentially indexed copies of a fragment of code

bootstrap. Bootstrapping rustc from source

unicode-ident. Determine whether characters have the XID_Start or XID_Continue properties

noisy-clippy. Rust

install. Fast `cargo install` action using a GitHub-based binary cache and attestations

typeid. Const TypeId and non-'static TypeId

serde-starlark. Serde serializer for generating Starlark build targets