wcswidth ![[version]](https://camo.githubusercontent.com/99e63ef8f5d02ee5e05df76199a8df161bc307369ccdd66782ff8743cdd4f9a1/68747470733a2f2f62616467652e667572792e696f2f72622f77637377696474682e737667)
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Determine terminal display width (columns) of Ruby strings via FFI bindings to libc's wcswidth() function.
See unicode/display_width for a Ruby-only unicode data based approach.
Usage
require 'wcswidth/kernel_method'
# full width chars
wcswidth("！") # => 2
wcswidth("一") # => 2
# single width chars
wcswidth("A") # => 1
wcswidth("·") # => 1
# zero width chars
wcswidth("ֿ") # => 0
wcswidth("\0") # => 0
# control chars
wcswidth("\x01") # => -1
wcswidth("\n") # => -1Without opting in for wcswidth/kernel_method it is Wcswidth.of("string")
MIT License
Copyright (C) 2016 Jan Lelis https://janlelis.com. Released under the MIT license.