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UnicodeBasicv1.1.0

Basic Unicode support for Lean 4
#unicode

Lean 4 / Unicode Basic

Basic Unicode support for Lean 4.

Unicode properties that are currently supported by UnicodeBasic include:

  • Alphabetic
  • Bidi_Class
  • Bidi_Control
  • Bidi_Mirrored
  • Canonical_Combining_Class
  • Case_Ignorable
  • Cased
  • Decomposition_Mapping
  • Decomposition_Type
  • General_Category
  • Hex_Digit
  • Math
  • Name
  • Numeric_Type
  • Numeric_Value
  • Simple_Lowercase_Mapping
  • Simple_Uppercase_Mapping
  • Simple_Titlecase_Mapping
  • Lowercase
  • Uppercase
  • White_Space

To keep the UnicodeBasic library lightweight, only commonly used properties can be supported. If you need a property not yet in the list above, please submit a feature request!

Installation

Add the following dependency to your project's lakefile.toml:

[[require]]
name = "UnicodeBasic"
git = "https://github.com/fgdorais/lean4-unicode-basic.git"
rev = "main" # or any specific revision

Or this dependency to your project's lakefile.lean:

require UnicodeBasic from git
  "https://github.com/fgdorais/lean4-unicode-basic.git" @ "main"

Then add import UnicodeBasic at the top of any Lean file where you plan to use this library.

Usage

The main entry point is the root file UnicodeBasic. This file contains a description of the main API as well as all primary library functions. The file UnicodeBasic.Types contains all the primary data types used in the library.

The remaining files are implementation details. Some of these may be of interest for developers. For example UnicodeBasic.CharacterDatabase defines a stream type for parsing files from the Unicode Character Database.

Documentation

Current documentation can be found at www.dorais.org/lean4-unicode-basic/doc. Documentation is also provided for each release since version 1.1.0.

Users can also generate documentation locally using lake build UnicodeBasic:docs UnicodeData:docs in the docs directory.

  • The Lean 4 / Unicode Basic library is copyright © 2023-2024 François G. Dorais. The library is released under the Apache 2.0 license. See the file LICENSE for additional details.
  • The UnicodeData.txt and PropList.txt files are copyright © 1991-2024 Unicode, Inc. The files are distributed under the Unicode® Copyright and Terms of Use. See the file LICENSE-UNICODE for additional details.