# File lib/rspec/core/formatters/snippet_extractor.rb, line 22
        def snippet_for(error_line)
          if error_line =~ /(.*):(\d+)/
            file = $1
            line = $2.to_i
            [lines_around(file, line), line]
          else
            ["# Couldn't get snippet for #{error_line}", 1]
          end
        end