method
<=>
v2.3.8 -
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Class: ActiveSupport::Multibyte::Chars
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<=>(other)
public
Returns -1, 0 or +1 depending on whether the Chars object is to be sorted before, equal or after the object on the right side of the operation. It accepts any object that implements to_s. See String#<=> for more details.
Example:
'é'.mb_chars <=> 'ü'.mb_chars #=> -1