Hi Changying, >> 2009/11/11 Changying Li <lchangy...@gmail.com>: >>> in the guile manual: >>> -- Scheme Procedure: format dest fmt [args...] >>> Write output specified by the FMT string to DEST. DEST can be an >>> output port, `#t' for `current-output-port' (*note Default >>> Ports::), a number for `current-error-port', or `#f' to return the >>> output as a string. >>> >>> what's the meaning of NUMBER? >>> I want to write things to error port, so I write >>> (format 1 "hello") >>> >>> standard input:5:1: In procedure simple-format in expression (format 1 >>> "hello"): >>> standard input:5:1: Wrong type argument in position 1: 1 >>> ABORT: (wrong-type-arg) >>> >>> >>> it work when I use (format (current-error-port) "hello") >>> >>> Is there something wrong in the guile manual ?
No, this would work if you had loaded (ice-9 format). Guile's built-in format is not as full-featured as the scheme version. However passing a number to indicate current-error-port is silly, so I have deprecated that in master, and removed this piece from the documentation. Cheers, Andy -- http://wingolog.org/
