method

insert

v2.3.8 - Show latest stable - 0 notes - Class: ActiveSupport::Multibyte::Chars

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What's this?

insert(offset, fragment) public

Inserts the passed string at specified codepoint offsets.

Example:

  'CafÃ©'.mb_chars.insert(4, ' pÃ©riferÃ´l').to_s #=> "CafÃ© pÃ©riferÃ´l"

Show source

# File activesupport/lib/active_support/multibyte/chars.rb, line 172
      def insert(offset, fragment)
        unpacked = self.class.u_unpack(@wrapped_string)
        unless offset > unpacked.length
          @wrapped_string.replace(
            self.class.u_unpack(@wrapped_string).insert(offset, *self.class.u_unpack(fragment)).pack('U*')
          )
        else
          raise IndexError, "index #{offset} out of string"
        end
        self
      end

insert

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