AddFactory registers f as a factory for an implementation of Collator.

CollatorFactory creates a Collator for a given language tag.

A Command is an implementation of a colcmp command.

Context holds all tests and settings translated from command line options.

Input holds an input string in both UTF-8 and UTF-16 format.

Test holds test data for testing a locale-collator pair.

Collator is an interface for architecture-specific implementations of collation.