chicken-users
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Chicken-users] still parameterize bug


From: Joo ChurlSoo
Subject: [Chicken-users] still parameterize bug
Date: Mon, 13 Jun 2011 21:25:33 +0900
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (windows-nt)

(c)2000-2007 Felix L. Winkelmann
Version 4.7.0 
windows-mingw32-x86 [ manyargs dload ptables ]
compiled 2011-06-10  on INITERM (MinGW)

#;1> (define p (make-parameter 10 number->string))
#;2> (p)
"10"
#;3> (parameterize ((p 100)) (p))

Error: (number->string) bad argument type: "10"
#;3> (p)
"100"
#;4> (define q (make-parameter 10 (lambda (x) (+ x 10))))
#;5> (q)
20
#;6> (parameterize ((q 100)) (q))
110
#;7> (q)
30
#;8> (q)
30

-- 
Joo ChurlSoo




reply via email to

[Prev in Thread] Current Thread [Next in Thread]