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class CharacterSet
module CoreExt
module StringExt
def character_set
CharacterSet.of_string(self)
end
{
count_by_character_set: :count_in,
covered_by_character_set?: :cover?,
delete_character_set: :delete_in,
delete_character_set!: :delete_in!,
keep_character_set: :keep_in,
keep_character_set!: :keep_in!,
scan_by_character_set: :scan,
uses_character_set?: :used_by?,
}.each do |string_method, set_method|
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{string_method}(arg)
if arg.instance_of?(Symbol)
CharacterSet.__send__(arg).#{set_method}(self)
else
arg.#{set_method}(self)
end
end
RUBY
end
end
end
end
::String.instance_eval { include CharacterSet::CoreExt::StringExt }
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