# File lib/erubis/engine/escheme.rb, line 28 def add_preamble(src) return unless @func == '_add' src << "(let ((_buf '())) " + \ "(define (_add x) (set! _buf (cons x _buf))) " #src << "(let* ((_buf '())" + # " (_add (lambda (x) (set! _buf (cons x _buf))))) " end