class Puma::Runner

def debug_loaded_extensions(str)

this method call should always be guarded by `@log_writer.debug?`
def debug_loaded_extensions(str)
  @log_writer.debug "────────────────────────────────── #{str}"
  re_ext = /\.#{RbConfig::CONFIG['DLEXT']}\z/i
  $LOADED_FEATURES.grep(re_ext).each { |f| @log_writer.debug("    #{f}") }
end