SamualLB / char_width

Width of Char and String for use in fixed-size terminals in Crystal

char_width

Check the width of a string. Should take into account combined characters and stuff.

Useful in console applications to stop weird formatting on some none-English characters.

Installation

1. Add the dependency to your shard.yml:

dependencies:
  char_width:
    github: SamualLB/char_width

2. Run shards install

Usage

require "char_width"

Spec file is helpful, otherwise:

'a'.width # => 1
'\0'.width # => 0
'\r'.width # => -1

"abcde".width # => 5
"Tab\tSpace".width # => -1

Development

TODO: Write development instructions here

Contributing

1. Fork it (https://github.com/SamualLB/char_width/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• Samual Black - creator and maintainer