Reads one dimensional barcodes and QR codes using libzbar. Works with PIL / Pillow images, OpenCV / numpy ndarrays and raw bytes. Decodes locations of barcodes.

A macro processor that is used automatically by the GNU C compiler to transform programs before actual compilation.

This is the GNU D compiler, which compiles D on platforms supported by gcc. It uses the gcc backend to generate optimised code.

This library defines an existential type Some in a few variants, and utilities to work with it.

#set() is a helper for RSpec which setup active record objects before all tests and restore them to their original state before each test.