Module: WhoCalledMe::StringUtils

Defined in:
lib/who_called_me/utils/string_utils.rb

Class Method Summary collapse

Class Method Details

.common_substring(a, b) ⇒ Object 



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# File 'lib/who_called_me/utils/string_utils.rb', line 8

def self.common_substring(a, b)
  difference = a.to_str.each_char.with_index.find { |ch, idx|
    b[idx].nil? or ch != b[idx].chr
  }
  difference ? b[0, difference.last] : b
end

.have_common_substring?(a, b) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/who_called_me/utils/string_utils.rb', line 4

def self.have_common_substring?(a, b)
  1 <= common_substring(a, b).length
end