Alternatives and similar repositories for once_cell

Users that are interested in once_cell are comparing it to the libraries listed below

• dtolnay / async-trait
  Type erasure for async trait methods
  ☆2,096Updated 3 weeks ago
• JelteF / derive_more
  Some more derive(Trait) options
  ☆2,054Updated 3 weeks ago
• dtolnay / quote
  Rust quasi-quoting
  ☆1,510Updated this week
• Peternator7 / strum
  A small rust library for adding custom derives to enums
  ☆2,244Updated 5 months ago
• shepmaster / snafu
  Easily assign underlying errors into domain-specific errors while adding context
  ☆1,827Updated this week
• jaemk / cached
  Rust cache structures and easy function memoization
  ☆1,944Updated 3 weeks ago
• indexmap-rs / indexmap
  A hash table with consistent order and fast iteration; access items by key or sequence index
  ☆2,267Updated this week
• colin-kiegel / rust-derive-builder
  derive builder implementation for rust structs
  ☆1,521Updated last week
• eyre-rs / eyre
  A trait object based error handling type for easy idiomatic error handling and reporting in Rust applications
  ☆1,693Updated last month
• rust-lang-nursery / lazy-static.rs
  A small macro for defining lazy evaluated static variables in Rust.
  ☆2,023Updated 11 months ago
• rust-phf / rust-phf
  Compile time static maps for Rust
  ☆2,076Updated 3 months ago
• est31 / cargo-udeps
  Find unused dependencies in Cargo.toml
  ☆2,052Updated 2 weeks ago
• Stebalien / tempfile
  Temporary file library for rust
  ☆1,387Updated this week
• asomers / mockall
  A powerful mock object library for Rust
  ☆1,762Updated last month
• TedDriggs / darling
  A Rust proc-macro attribute parser
  ☆1,209Updated this week
• rust-itertools / itertools
  Extra iterator adaptors, iterator methods, free functions, and macros.
  ☆3,074Updated last month
• servo / rust-smallvec
  "Small vector" optimization for Rust: store up to a small number of items on the stack
  ☆1,597Updated 3 weeks ago
• rust-pretty-assertions / rust-pretty-assertions
  Overwrite `assert_eq!` with a drop-in replacement, adding a colorful diff.
  ☆1,328Updated 3 months ago
• uuid-rs / uuid
  Generate and parse UUIDs.
  ☆1,159Updated last month
• zesterer / flume
  A safe and fast multi-producer, multi-consumer channel.
  ☆2,841Updated 2 weeks ago
• tokio-rs / bytes
  Utilities for working with bytes
  ☆2,154Updated 3 weeks ago
• rust-cli / env_logger
  A logging implementation for `log` which is configured via an environment variable.
  ☆1,010Updated last month
• dtolnay / cargo-expand
  Subcommand to show result of macro expansion
  ☆3,011Updated 2 weeks ago
• dtolnay / serde-yaml
  Strongly typed YAML library for Rust
  ☆1,009Updated last year
• bitflags / bitflags
  A macro to generate structures which behave like bitflags
  ☆1,085Updated last month
• time-rs / time
  Date and time handling in Rust.
  ☆1,256Updated 2 months ago
• kbknapp / cargo-outdated
  A cargo subcommand for displaying when Rust dependencies are out of date
  ☆1,368Updated last month
• Keats / validator
  Simple validation for Rust structs
  ☆2,391Updated 10 months ago
• rust-lang / log
  Logging implementation for Rust
  ☆2,467Updated last month
• dtolnay / paste
  Macros for all your token pasting needs
  ☆1,072Updated last year