github.com/SamualLB/char_width
1.0.0 / published Mar 26, 2021 / repository
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
-
Add the dependency to your
shard.yml:dependencies: char_width: github: SamualLB/char_width -
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
- Fork it (https://github.com/SamualLB/char_width/fork)
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create a new Pull Request
Contributors
- Samual Black - creator and maintainer
API
- Char
A
Charrepresents a Unicode code point. - String
A
Stringrepresents an immutable sequence of UTF-8 characters.