Rust is a curly-brace, block-structured expression language. It visually resembles the C language family, but differs significantly in syntactic and semantic details. Its design is oriented toward concerns of "programming in the large", that is, of creating and maintaining boundaries - both abstract and operational - that preserve large-system integrity, availability and concurrency.

The DIALS software is developed in a fully open-source, collaborative environment. The main development teams are based at Diamond Light Source and CCP4, in the UK, and at Lawrence Berkeley National Laboratory, USA. However, in the spirit of the open source movement, we welcome collaboration from anyone who wishes to contribute to the project.

The ROCdbpgapi library provides debugging routines to inspect and control programs running on AMD GPUs. This library is used by debuggers to receive notifications of events, query the GPU state, and step through execution. However, operations such as symbolic mappings, code object decoding and stack unwinding are outside the scope of this library.

The packages in the isa-support family probe for microprocessor Instruction Set Architecture features such as SSE3. By refusing to install on machines lacking a required feature, they allow ISA requirements to be handled in terms of package dependencies.

Tcl is a powerful, easy to use, embeddable, cross-platform interpreted scripting language. This package contains the Tcl shell which you need to run Tcl scripts. This version includes thread support.

Tk is a cross-platform graphical toolkit which provides the Motif look-and-feel and is implemented using the Tcl scripting language. This package contains the windowing Tcl/Tk shell (wish).