Methods
C
Constants
SUPPRESSED_PATHS = RbConfig::CONFIG.values_at(*RbConfig::CONFIG. keys.grep(/(prefix|libdir)/)).uniq + [ File.join(File.dirname(__FILE__), ".."), ].map { |f| Regexp.quote(File.expand_path(f)) }
 
SUPPRESS_PATTERN = %r!(\A#{SUPPRESSED_PATHS.join('|')}|bin/rake:\d+)!i
 
Class Public methods
collapse(backtrace)

Source: show | on GitHub 

# File lib/rake/backtrace.rb, line 12
def self.collapse(backtrace)
  pattern = Rake.application.options.suppress_backtrace_pattern ||
            SUPPRESS_PATTERN
  backtrace.reject { |elem| elem =~ pattern }
end