Safflower is a Rust crate designed to facilitate localization by providing a statically allocated, format-friendly approach to managing text variations in software projects. It is intended for developers working on Rust applications who need to support multiple languages, dialects, or other textual variations within their user interfaces or other text outputs.
The core functionality centers on two macros: load! and text!. The load! macro enables developers to load source text in all required variations at compile time, generating code that statically allocates the localized text. This ensures that, upon successful compilation, all source files exist, all text entries are correctly parsed, every entry is present in every declared locale, and parameter usage is consistent across locales. The text! macro provides a straightforward way to access the appropriate text variant based on the currently set locale, simplifying the process of retrieving localized content.
Safflower emphasizes minimal setup and reliability by performing checks at compile time rather than runtime, reducing the potential for errors related to missing files or inconsistent localization entries. The crate supports formatted text using Rust's standard format! syntax, verifying that each locale variant in a given entry uses the same number and names of parameters. It automatically assigns names to unnamed or numbered parameters, although naming conflicts may arise if a parameter is both unnamed and explicitly named as arg0 or similar.
scope directive. This hierarchical structure makes it possible to manage locales and group related text entries by use case, such as menu items or error messages. The tool is tailored for localization tasks but is flexible enough to support other text variation needs within Rust projects.
Safflower is delivered as a Rust crate, making it accessible to developers working within the Rust ecosystem.
In the Frameworks & SDKs space, nscathic takes a focused approach. It focuses on simplifying and securing localization in Rust projects with statically allocated, compile-time checked text resources. It is built as an open-source project for rust developers. nscathic is open source under the MIT license. The product ships for the web and the command line.
nscathic builds and maintains nscathic, and the product first shipped in 2025. Key capabilities include static allocation, locale switching, and compile-time checks.
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