Re: user interface, asynchronous objects, garbage collection

2007-01-31 Thread Marco Maggi
Ludovic Courtès wrote: have you looked at PS/Tk: http://www.t3x.org/pstk/ I took a look at it when it was announced, and I dismissed it because: 1. it executes a TCL shell as inferior process and this forces the superior one to convert all the values to strings, which can become time

Re: user interface, asynchronous objects, garbage collection

2007-01-31 Thread Ludovic Courtès
Hi, Marco Maggi [EMAIL PROTECTED] writes: When writing a Guile-GSL script I code forms like this: (let* ((x ...) (y ...) (plot (blt-plot x y ...))) (sleep-or-ask-the-user-when-its-ok-to-go-on)) the GOOPS proxies are stored in the LET* environment, and this

Re: infixorder -- more hints for Oriana, and a slightly OT but interesting consideration

2007-01-31 Thread Luca Saiu
Hi Oriana. I see a problem in your statement. You don't say how a binary tree is encoded as an S-expression. From your example I'd initially deduce (let's call this encoding (i)) that you represent a leaf tree as a one-element list: (node) and a non-leaf tree as a three element list: