method

insert

v3.0.0 - Show latest stable - Class: ActiveSupport::Multibyte::Chars

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"

# File activesupport/lib/active_support/multibyte/chars.rb, line 124
        def insert(offset, fragment)
          unpacked = Unicode.u_unpack(@wrapped_string)
          unless offset > unpacked.length
            @wrapped_string.replace(
              Unicode.u_unpack(@wrapped_string).insert(offset, *Unicode.u_unpack(fragment)).pack('U*')
            )
          else
            raise IndexError, "index #{offset} out of string"
          end
          self
        end

insert

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