Exception

    # File lib/van/units/base.rb, line 44
44:   def self.with_clean_backtrace(regex)
45:     begin
46:       yield
47:     rescue ::Exception
48:       $!.clean_backtrace(regex).clean_backtrace("with_clean_backtrace") if not $DEBUG
49:       raise
50:     end
51:   end

    # File lib/van/units/base.rb, line 38
38:   def clean_backtrace(regex)
39:     regex = /^#{::Regexp.escape(__FILE__)}:\d+:in `#{::Regexp.escape(regex)}'$/ if regex.is_a? ::String
40:     set_backtrace(backtrace.reject { |a| regex =~ a })
41:     self
42:   end